D — https://rakuten.co.jp | BeaverCheck Audit

Site Health

Score: 66 / 100

Based on 8 categories, 0 sections

Room to improve — your 16.2s load time is above Google's 2.5s 'Good' threshold.

Several missing protections leave your users and data exposed.

Major barriers for users with disabilities — up to 15% of your audience.

Well-optimized for search — your content is discoverable.

Good server performance with room for optimization.

Several regulatory requirements are not yet met.

Rich content metadata — your pages look great everywhere.

High page weight means excess energy use and carbon emissions per visit.

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

How the composite score is calculated

How you compare

Cart Functionality sites average 72

-6 below average

Better than 1% of Cart Functionality sites See full Cart Functionality benchmark →

Apple sites average 73

-7 below average

See full Apple benchmark →

Top Priorities (5)

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers

HSTS header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy

Page weighs 27.4 MB (6.3 MB transferred)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Budget

1 control(s) without accessible label

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Form Accessibility

View fix priority matrix

Fix Priority Matrix

5 findings

Impact

Quick Wins

High impact, low effort — start here.

Strategic

High impact, requires investment.

Easy Improvements

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →

Embed this badge

Markdown

[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Frakuten.co.jp)](https://beavercheck.com/results/07b5e2f9-1e7b-41b8-9cb3-f74f2bd07cd1)

HTML

<a href="https://beavercheck.com/results/07b5e2f9-1e7b-41b8-9cb3-f74f2bd07cd1"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Frakuten.co.jp" alt="BeaverCheck Score"></a>

Image URL

https://beavercheck.com/badge?url=https%3A%2F%2Frakuten.co.jp

This badge auto-updates with your latest scan result.

What fixing these means

Your site has several issues that may be affecting user experience and business outcomes. Your LCP of 16.2s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.

3 security gaps detected — browsers may warn visitors about your site.

Your LCP is 16.2s — fixing the 1 performance critical could bring it under Google's 2.5s 'Good' threshold.

1 accessibility issue excludes users who rely on assistive technology.

Could reach Estimate based on resolving critical issues

Conversion Barriers

4 critical 6 warning

10 barrier(s) likely increasing bounce by ~39%.

Speed (2)

Page takes 16.2s to load

+12% bounce

Users abandon at ~3s — you're 13.7s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

Page feels frozen for 11.7s

+5% bounce

Clicks on the primary CTA are ignored while JavaScript runs

Fix: Break up long tasks; defer non-critical JavaScript to post-hydration

Trust (2)

No HSTS header

+1% bounce

Returning visitors are briefly exposed to downgrade attacks on first request

Fix: Set Strict-Transport-Security: max-age=31536000; includeSubDomains

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Usability (3)

Layout shifts during page load

+3% bounce

Content movement causes mis-clicks on CTAs and form fields

Fix: Add width/height to images; reserve space for late-loading embeds

1 form field(s) without a label

+2% bounce

Screen readers skip unlabeled fields; autofill can't identify them; checkout abandonment spikes

Fix: Associate every input with a visible <label for="…">; add autocomplete attributes

No viewport meta tag

+15% bounce

Mobile browsers render at desktop width and shrink — text unreadable, tap targets miniature

Fix: Add <meta name="viewport" content="width=device-width, initial-scale=1">

Navigation (3)

158 link(s) with generic text ("click here", "read more")

+1% bounce

Screen-reader users navigating by link list see no context — and search engines can't infer relevance

Fix: Rewrite with descriptive phrases that identify the destination

No skip-to-content link

+1% bounce

Keyboard and screen-reader users must tab through the entire header on every page

Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element

21 broken link(s) on the page

+5% bounce

Clicks land on 404s — trust drops and the session often ends

Fix: Fix or remove the broken destinations surfaced on the Content tab

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

¥40,000 investment → ¥235/month returns + JPY 100,000,000 risk avoided

Payback period: > 2 years First-year ROI: -93%

Investment

¥40,000

5h · 5 findings

Monthly returns

¥235 /mo

~¥2,825 / year

Bandwidth savings ¥235

Regulatory risk avoided

JPY 100,000,000

if kept compliant

APPI JPY 100,000,000

¥12,000 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

¥40,000

5.0 developer hours at ¥8000/hr

Based on Japan rates (¥8000/hr)

Quick wins

¥12,000 3 fixes in ~90 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions

Custom rate

¥ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

¥8,333,569 / month at risk

~¥100,002,825 / year if left unfixed

Compliance Risk

¥100,000,000

APPI

No privacy policy link detected
APPI: JPY 100,000 – JPY 100,000,000
Trackers detected but no cookie policy found
APPI: JPY 100,000 – JPY 100,000,000
Trackers detected but no privacy policy found
APPI: JPY 100,000 – JPY 100,000,000

+1 more

Bandwidth Waste

¥235 /mo

19716.4 MB/mo × 11.940 JPY/GB

Optimize transfer: save ~2.0 MB per page load
Saves ¥235/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Monthly visitors

Unique monthly visitors from your analytics

Conversion rate (%)

Purchases, signups, or key actions

Avg. order value

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue

Current bounce (est.)

After fixes (est.)

Estimated bounce reduction

Fix 5 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

Performance

Accessibility

Best Practices

SEO

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

3.75 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

16.17 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

11.65 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.193

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

28.00 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

52.39 s

Detailed Report

Audit breakdown by category with detailed findings.

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Request	Cache TTL	Transfer Size
/signals/config/875304955236868?v=2.9.298&r=stable&domain...	1200.0 s	127.0 KiB
/signals/config/1308629997445925?v=2.9.298&r=stable&domai...	1200.0 s	126.9 KiB
/signals/config/4355369038068620?v=2.9.298&r=stable&domai...	1200.0 s	126.9 KiB
/signals/config/1389856708696550?v=2.9.298&r=stable&domai...	1200.0 s	126.9 KiB
/signals/config/2102918640517656?v=2.9.298&r=stable&domai...	1200.0 s	126.9 KiB
/signals/config/25069282142772105?v=2.9.298&r=stable&doma...	1200.0 s	126.9 KiB
s-cdn.rmp.rakuten.co.jp/js/cd.js	3600.0 s	120.2 KiB
connect.facebook.net/en_US/fbevents.js	1200.0 s	96.4 KiB
s-cdn.rmp.rakuten.co.jp/js/aa.js	3600.0 s	102.6 KiB
/signals/config/149307711579983?v=2.9.298&r=stable&domain...	1200.0 s	44.5 KiB
/signals/config/1114717489487974?v=2.9.298&r=stable&domai...	1200.0 s	44.5 KiB
b99.yahoo.co.jp/pagead/conversion_async.js	0.0 ms	23.4 KiB
jscdn.appier.net/aa.js?id=rakuten.co.jp	300.0 s	20.0 KiB
dynamic.criteo.com/js/ld/ld.js?a=44566&a=87771&a=120796	10800.0 s	24.7 KiB
static.criteo.net/js/ld/ld.js	10800.0 s	24.7 KiB
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	11.8 KiB
www.rakuten.co.jp/akam/13/62eb75e0	21600.0 s	9.3 KiB
r.r10s.jp/com/rat/js/ral-1.10.1.js	86400.0 s	11.8 KiB
/eh-cont/v2/ichiba?source_id=4&device_type=sp&channel_typ...	0.0 ms	3.7 KiB
r.r10s.jp/com/ap/target/phoenix-2.7.2.min.js	86400.0 s	8.9 KiB
cdn.smartnews-ads.com/i/pixel.js	150.0 s	3.3 KiB
dmp.im-apps.net/clients/rakuten/uid.js	3600.0 s	3.1 KiB
tags.creativecdn.com/L52n0153rTKlxZFwgXDs.js	3600.0 s	2.7 KiB
tags.creativecdn.com/dSUgiq2sfddqypCVjN3V.js	3600.0 s	2.6 KiB
www.rakuten.co.jp/com/advance/ichiba/ichiba_sp_top_group_banner/sp/condition.js	0.0 ms	1.5 KiB
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1992055.0 s	10.1 KiB
/cksync.php?cs=3&type=crt&ovsid=k-hU40V_K_CLaNKptaM7n1dnJ...	0.0 ms	597 B
/?cpkg_none=%7B%22acc%22%3A486%2C%22aid%22%3A1%2C%22bid%2...	0.0 ms	587 B
/cksync.php?cs=3&type=crt&ovsid=k-hU40V_K_CLaNKptaM7n1dnJ...	0.0 ms	452 B
/uid/sync.htm?pid=13079&cuid=k-VsAiVvK_CLaNKptaM7n1dnJ-ee...	0.0 ms	411 B
criteo-partners.tremorhub.com/sync?UICR=k-BBDXx_K_CLaNKptaM7n1dnJ-eeDP0Y3YgDRmgA	0.0 ms	398 B
criteo-partners.tremorhub.com/sync?UICR=k-BBDXx_K_CLaNKptaM7n1dnJ-eeDP0Y3YgDRmgA	0.0 ms	398 B
criteo-partners.tremorhub.com/sync?UICR=k-BBDXx_K_CLaNKptaM7n1dnJ-eeDP0Y3YgDRmgA	0.0 ms	398 B
criteo-partners.tremorhub.com/sync?UICR=k-BBDXx_K_CLaNKptaM7n1dnJ-eeDP0Y3YgDRmgA	0.0 ms	398 B
criteo-partners.tremorhub.com/sync?UICR=k-BBDXx_K_CLaNKptaM7n1dnJ-eeDP0Y3YgDRmgA	0.0 ms	397 B
/sg/criteortb-network/1/rtb-h/?taboola_hm=k-ifCbGfK_CLaNK...	0.0 ms	388 B
/sg/criteortb-network/1/rtb-h/?taboola_hm=k-ifCbGfK_CLaNK...	0.0 ms	388 B
/sg/criteortb-network/1/rtb-h/?taboola_hm=k-ifCbGfK_CLaNK...	0.0 ms	388 B
/sg/criteortb-network/1/rtb-h/?taboola_hm=k-ifCbGfK_CLaNK...	0.0 ms	388 B
/sg/criteortb-network/1/rtb-h/?taboola_hm=k-ifCbGfK_CLaNK...	0.0 ms	387 B
/ul_cb/match?publisher_dsp_id=38&external_user_id=k-LT2di...	0.0 ms	293 B
/ul_cb/match?publisher_dsp_id=38&external_user_id=k-LT2di...	0.0 ms	293 B
/ul_cb/match?publisher_dsp_id=38&external_user_id=k-LT2di...	0.0 ms	293 B
/ul_cb/match?publisher_dsp_id=38&external_user_id=k-LT2di...	0.0 ms	293 B
/ul_cb/match?publisher_dsp_id=38&external_user_id=k-LT2di...	0.0 ms	293 B
match.adsrvr.org/track/cmb/generic?ttd_pid=8wutv4d&ttd_tpi=1&gdpr=0	0.0 ms	255 B
/p?id=cdc764d043d719a0b4dc545a&t=1776361545&url=https%3A%...	0.0 ms	227 B
/p?id=71a405ecfcfa62469ef90716&t=1776361545&url=https%3A%...	0.0 ms	227 B
/p?id=cdc764d043d719a0b4dc545a&t=1776361546&url=https%3A%...	0.0 ms	225 B
/p?id=cdc764d043d719a0b4dc545a&t=1776361546&url=https%3A%...	0.0 ms	224 B
/unfilled?datp=adbELMIm97NzlDE-N6S42jNUuxPuRQn0JsuuMTslF4...	0.0 ms	214 B
www.rakuten.co.jp/com/tls/tls.js	0.0 ms	212 B
/s/28292?bidder_id=71340&bidder_uuid=k-7u1F5_K_CLaNKptaM7...	0.0 ms	208 B
/s/28292?bidder_id=71340&bidder_uuid=k-7u1F5_K_CLaNKptaM7...	0.0 ms	208 B
/s/28292?bidder_id=71340&bidder_uuid=k-7u1F5_K_CLaNKptaM7...	0.0 ms	208 B
/s/28292?bidder_id=71340&bidder_uuid=k-7u1F5_K_CLaNKptaM7...	0.0 ms	208 B
/s/28292?bidder_id=71340&bidder_uuid=k-7u1F5_K_CLaNKptaM7...	0.0 ms	208 B
api.r10s.jp/clientinfo?callback=r2jsonp17763615405509272132640916437	0.0 ms	174 B
sin.creativecdn.com/adx/cm?v=2&pi=adx&tdc=sin&google_error=3&tc=1	0.0 ms	124 B
sin.creativecdn.com/adx/cm?v=2&pi=adx&tdc=sin&google_error=3&tc=1	0.0 ms	124 B
/unfilled?datp=mXhIdYV7G84K-XZMRiHTxfAilhWXdeEku2Ig74gpU1...	0.0 ms	119 B
/unfilled?datp=RhdDPpaXtKPq9MFVWO26G0EIrJZaIYBol3GpAah8Au...	0.0 ms	118 B
/unfilled?datp=PFvUCgw6pvR0GFosFatOQFMB2j3bu6Mozyp3qjs1M9...	0.0 ms	118 B
/r3/f75d?url=https%3A%2F%2Fgrp15.ias.rakuten.co.jp%2Fgw.j...	0.0 ms	102 B
/r3/f75d?url=https%3A%2F%2Fgrp15.ias.rakuten.co.jp%2Fgw.j...	0.0 ms	94 B
/uid/sync.htm?pid=13079&cuid=k-VsAiVvK_CLaNKptaM7n1dnJ-ee...	0.0 ms	89 B
/uid/sync.htm?pid=13079&cuid=k-VsAiVvK_CLaNKptaM7n1dnJ-ee...	0.0 ms	89 B
/uid/sync.htm?pid=13079&cuid=k-VsAiVvK_CLaNKptaM7n1dnJ-ee...	0.0 ms	89 B
/uid/sync.htm?pid=13079&cuid=k-VsAiVvK_CLaNKptaM7n1dnJ-ee...	0.0 ms	89 B
/cksync.php?cs=3&type=crt&ovsid=k-hU40V_K_CLaNKptaM7n1dnJ...	0.0 ms	61 B
/cksync.php?cs=3&type=crt&ovsid=k-hU40V_K_CLaNKptaM7n1dnJ...	0.0 ms	61 B
/cksync.php?cs=3&type=crt&ovsid=k-hU40V_K_CLaNKptaM7n1dnJ...	0.0 ms	61 B
/r3/f75d?url=https%3A%2F%2Fgrp15.ias.rakuten.co.jp%2Fgw.j...	0.0 ms	57 B
/tr/?id=2102918640517656&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	23 B
/tr/?id=875304955236868&ev=PageView&dl=https%3A%2F%2Fgrp1...	0.0 ms	23 B
/tr/?id=875304955236868&ev=AddToWishlist&dl=https%3A%2F%2...	0.0 ms	23 B
/tr/?id=25069282142772105&ev=PageView&dl=https%3A%2F%2Fgr...	0.0 ms	23 B
/tr/?id=4355369038068620&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	23 B
/tr/?id=4355369038068620&ev=Contact&dl=https%3A%2F%2Fgrp1...	0.0 ms	23 B
/tr?id=1762797887297705&ev=PageView&cd[content_type]=prod...	0.0 ms	23 B
/tr/?id=7990815291011029&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	19 B
/tr/?id=703715494234766&ev=PageView&dl=https%3A%2F%2Fgrp1...	0.0 ms	16 B
/tr/?id=6379376198810490&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	16 B
/tr/?id=1114717489487974&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	16 B
/tr/?id=1114717489487974&ev=ViewContent&dl=https%3A%2F%2F...	0.0 ms	16 B
/tr/?id=149307711579983&ev=PageView&dl=https%3A%2F%2Fgrp1...	0.0 ms	16 B
/tr/?id=1389856708696550&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	16 B
/tr/?id=1389856708696550&ev=ViewContent&dl=https%3A%2F%2F...	0.0 ms	16 B
/tr/?id=1389856708696550&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	16 B
/tr/?id=1308629997445925&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	16 B
/signals/config/1389856708696550?v=2.9.298&r=stable&domai...	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
s-cdn.rmp.rakuten.co.jp/js/cd.js	3600.0 s	0 B
s-cdn.rmp.rakuten.co.jp/js/cd.js	3600.0 s	0 B
s-cdn.rmp.rakuten.co.jp/js/cd.js	3600.0 s	0 B
static.criteo.net/js/ld/ld.js	10800.0 s	0 B
jscdn.appier.net/aa.js?id=rakuten.co.jp	300.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1992055.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1992055.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1992055.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1992055.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1992055.0 s	0 B
cdn.smartnews-ads.com/i/pixel.js	150.0 s	0 B
cdn.smartnews-ads.com/i/pixel.js	150.0 s	0 B
tags.creativecdn.com/L52n0153rTKlxZFwgXDs.js	3600.0 s	0 B
tags.creativecdn.com/dSUgiq2sfddqypCVjN3V.js	3600.0 s	0 B
tags.creativecdn.com/dSUgiq2sfddqypCVjN3V.js	3600.0 s	0 B

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]

items: [map[node:map[type:text value:Total] score:0.192802] map[node:map[boundingRect:map[bottom:783 height:176 left:0 right:412 top:607 width:412] lhId:page-15-DIV nodeLabel:注目のイベントすべて見る path:1,HTML,1,BODY,21,DIV selector:body > div snippet:<div irc="Race" data-target-id="4" data-source-id="4" data-background-color="" data-default-content="[ { "a": "0", "b": "https://r.r10s.jp/com/img/thumb/200309…"> type:node] score:0.077859 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:64 height:64 left:0 right:412 top:0 width:412] lhId:page-0-IMG nodeLabel:div > div.ad-banner--1HCUr > a > img.image--1H40I path:1,HTML,1,BODY,1,DIV,0,DIV,0,A,0,IMG selector:div > div.ad-banner--1HCUr > a > img.image--1H40I snippet:<img class="image--1H40I loading--2tNI_ r-image--tmv1s" src="https://r.r10s.jp/com/img/global/newuser_sp_ichiba-top_1080x168_en.png" alt="" style="width: 100%; height: auto;"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:783 height:176 left:0 right:412 top:607 width:412] lhId:page-15-DIV nodeLabel:注目のイベントすべて見る path:1,HTML,1,BODY,21,DIV selector:body > div snippet:<div irc="Race" data-target-id="4" data-source-id="4" data-background-color="" data-default-content="[ { "a": "0", "b": "https://r.r10s.jp/com/img/thumb/200309…"> type:node] score:0.043802] map[node:map[boundingRect:map[bottom:783 height:176 left:0 right:412 top:607 width:412] lhId:page-15-DIV nodeLabel:注目のイベントすべて見る path:1,HTML,1,BODY,21,DIV selector:body > div snippet:<div irc="Race" data-target-id="4" data-source-id="4" data-background-color="" data-default-content="[ { "a": "0", "b": "https://r.r10s.jp/com/img/thumb/200309…"> type:node] score:0.043802 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:416 height:64 left:0 right:412 top:352 width:412] lhId:page-2-IMG nodeLabel:div > a > p > img path:1,HTML,1,BODY,17,DIV,1,DIV,0,A,0,P,0,IMG selector:div > a > p > img snippet:<img alt="" src="https://cdn.rmc.contents.rakuten.co.jp/block/d40535ac09aac0ef32f8a23b8bb8e…" width="100%" style="display: block;"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:783 height:176 left:0 right:412 top:607 width:412] lhId:page-15-DIV nodeLabel:注目のイベントすべて見る path:1,HTML,1,BODY,21,DIV selector:body > div snippet:<div irc="Race" data-target-id="4" data-source-id="4" data-background-color="" data-default-content="[ { "a": "0", "b": "https://r.r10s.jp/com/img/thumb/200309…"> type:node] score:0.018383] map[node:map[boundingRect:map[bottom:661 height:59 left:210 right:400 top:602 width:190] lhId:page-20-BUTTON nodeLabel:Rakuten AIで探す path:1,HTML,1,BODY,20,DIV,0,BUTTON selector:body > div > button.button--KbrYN snippet:<button data-position="bottom-right" class="button--KbrYN" style="--label-width: 130.109375px; --button-offset-bottom: 150px;"> type:node] score:0.000917]]

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:41.448 source:map[column:711625 line:2 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/touch-00a95f13955d8aa9a908.bundle.js urlProvider:network]]]

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:176.96 source:map[column:899974 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/vendors-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:52.532 source:map[column:433383 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/vendors-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:1.653 source:map[column:104142 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/touch-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:0.749 source:map[column:105006 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/touch-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:0.682 source:map[column:1.362218e+06 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/touch-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:0.594 source:map[column:724585 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/touch-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:10.513 source:map[column:423522 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/vendors-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:2.351 source:map[column:184793 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/touch-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:1.316 source:map[column:185040 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/touch-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:7.79 source:map[column:435670 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/vendors-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:0.827 source:map[column:24107 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/vendors-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:1.604 source:map[column:12470 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/touch-00a95f13955d8aa9a908.bundle.js urlProvider:network]]]

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Resource Size	Est Savings
div > div.ad-banner--1HCUr > a > img.image--1H40I `div > div.ad-banner--1HCUr > a > img.image--1H40I`	r.r10s.jp/com/img/global/newuser_sp_ichiba-top_1080x168_en.png	43.6 KiB	30.5 KiB
div.container--17oFq > div > a > img.image--1H40I `div.container--17oFq > div > a > img.image--1H40I`	/com/img/UXP/202406/js-banner-top/d5f6fbd1-6112-4286-83d5...	19.7 KiB	15.1 KiB
div > a > p > img `div > a > p > img`	/block/d40535ac09aac0ef32f8a23b8bb8e04bc2e8f9d6b0981fa98a...	26.7 KiB	14.8 KiB
	r.r10s.jp/com/inc/home/20080930/ris/img/pitari_mno/emg_mnotop_sp_1080x168.png	26.1 KiB	14.5 KiB
a.link-wrapper--1G0sw > div.container--3tUHo > div.aspect-ratio-box--14W6l > img.image--aJFXw `a.link-wrapper--1G0sw > div.container--3tUHo > div.aspect-ratio-box--14W6l > img.image--aJFXw`	/com/img/EMP/202604/352f076c-80d0-49cd-8fb3-236ca09559a3-...	21.1 KiB	13.1 KiB
div.container--17oFq > div > a > img.image--1H40I `div.container--17oFq > div > a > img.image--1H40I`	/com/img/EMP/202603/86d67644-75a9-4ab3-b60c-7c8b90212bdd-...	15.1 KiB	10.8 KiB
div.container--17oFq > div > a > img.image--1H40I `div.container--17oFq > div > a > img.image--1H40I`	/com/img/EMP/202603/2a21b67f-7200-4c02-af00-c8b8fd38e19e-...	13.0 KiB	9.3 KiB
div.container--17oFq > div > a > img.image--1H40I `div.container--17oFq > div > a > img.image--1H40I`	/com/img/EMP/202603/e63a3cd4-60a9-4832-9fdb-76a4fd091aae-...	10.8 KiB	7.7 KiB
div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I `div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I`	/com/img/EMP/202603/a7cd1507-709a-4448-a24d-fd6580cc86af-...	31.3 KiB	7.1 KiB
div#ecosystem_bnr > a > p > img `div#ecosystem_bnr > a > p > img`	r.r10s.jp/com/img/home/smart/top/ecosystem/bnr/202512/ich_sp_rmb.png	20.2 KiB	6.9 KiB
div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I `div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I`	/com/img/EMP/202603/94741de6-b2da-41a8-8f0b-e57aaa2f1dff-...	31.0 KiB	6.8 KiB
div.container--17oFq > div > a > img.image--1H40I `div.container--17oFq > div > a > img.image--1H40I`	/com/img/EMP/202603/f47d21ce-2d8a-4841-a352-b128a353489f-...	8.9 KiB	6.3 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]

items: [map[duration:1498.747 label:Time to first byte subpart:timeToFirstByte] map[duration:3567.885 label:Resource load delay subpart:resourceLoadDelay] map[duration:10.636 label:Resource load duration subpart:resourceLoadDuration] map[duration:117.7 label:Element render delay subpart:elementRenderDelay]]

lhId: page-11-IMG

nodeLabel: div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I

path: 1,HTML,1,BODY,18,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,A,0,SPAN,0,IMG

selector: div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I

snippet: <img class="image--1H40I jumbotron--1bNlT loading--2tNI_ r-image--tmv1s" src="https://r.r10s.jp/com/img/EMP/202603/a7cd1507-709a-4448-a24d-fd6580cc86af-…" alt="" style="min-height: 116px;">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-11-IMG

nodeLabel: div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I

path: 1,HTML,1,BODY,18,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,A,0,SPAN,0,IMG

selector: div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.

title: Preconnected origins

value: no origins were preconnected

description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.

title: Preconnect candidates

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size	Duration
r.r10s.jp/com/js/service/app/pages/top/css/touch-00a95f13955d8aa9a908.bundle.css	84.8 KiB	1.2 s
r.r10s.jp/com/ap/target/phoenix-2.7.2.min.js	8.9 KiB
www.rakuten.co.jp/com/tls/tls.js	212 B

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Est Savings
/com/js/service/resources/ichiba-icon-font54c5cedc4f7e4a8...	10 ms

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.6 s

URL	Time Spent
rakuten.co.jp/	1.6 s
www.rakuten.co.jp/	0.0 ms

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

Element	Layout shift score
注目のイベントすべて見る `body > div`	0.078
注目のイベントすべて見る `body > div`	0.044
注目のイベントすべて見る `body > div`	0.044
注目のイベントすべて見る `body > div`	0.018
Rakuten AIで探す `body > div > button.button--KbrYN`	0.001
Rakuten AIで探す `body > div > button.button--KbrYN`	0.001
button `div.container--3jcGU > div#top-area > div.top-row--QN2vt > div.top-row-right--1F8Nv`	0.001
Rakuten AIで探す `body > div > button.button--KbrYN`	0.001
Rakuten AIで探す `body > div > button.button--KbrYN`	0.000
Rakuten AIで探す `body > div > button.button--KbrYN`	0.000
Rakuten AIで探す `body > div > button.button--KbrYN`	0.000
Rakuten AIで探す `body > div > button.button--KbrYN`	0.000
Rakuten AIで探す `body > div > button.button--KbrYN`	0.000
Rakuten AIで探す `body > div > button.button--KbrYN`	0.000
Rakuten AIで探す `body > div > button.button--KbrYN`	0.000

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 300 ms 81.4 KiB

URL	Transfer Size	Est Savings
r.r10s.jp/com/js/service/app/pages/top/css/touch-00a95f13955d8aa9a908.bundle.css	84.5 KiB	81.4 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 2.7 s 2.9 MiB

URL	Transfer Size	Est Savings
/com/js/service/app/pages/top/javascript/touch-00a95f1395...	635.1 KiB	169.4 KiB
/com/js/service/app/pages/top/javascript/vendors-00a95f13...	272.3 KiB	159.6 KiB
s-cdn.rmp.rakuten.co.jp/js/cd.js	120.0 KiB	87.1 KiB
s-cdn.rmp.rakuten.co.jp/js/cd.js	120.0 KiB	87.1 KiB
s-cdn.rmp.rakuten.co.jp/js/cd.js	120.0 KiB	87.1 KiB
s-cdn.rmp.rakuten.co.jp/js/cd.js	120.0 KiB	87.1 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOQ.js	120.6 KiB	69.5 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOQ.js	120.6 KiB	69.3 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOQ.js	120.6 KiB	65.0 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMQ.js	109.0 KiB	59.6 KiB
www.googletagmanager.com/gtag/js?id=DC-10275646	129.3 KiB	59.6 KiB
www.googletagmanager.com/gtag/js?id=AW-11379161587	144.4 KiB	58.5 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	105.4 KiB	57.4 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	105.4 KiB	57.4 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	105.4 KiB	57.1 KiB
www.googletagmanager.com/gtag/js?id=AW-17351696522	144.3 KiB	56.3 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	105.4 KiB	56.2 KiB
www.googletagmanager.com/gtag/js?id=AW-604227436	128.9 KiB	56.0 KiB
www.googletagmanager.com/gtag/js?id=AW-16568667236	137.4 KiB	55.5 KiB
www.googletagmanager.com/gtag/js?id=AW-10785709492	144.7 KiB	55.3 KiB
www.googletagmanager.com/gtag/js?id=AW-17689400065	137.3 KiB	55.3 KiB
www.googletagmanager.com/gtag/js?id=AW-604209422	137.1 KiB	55.2 KiB
www.googletagmanager.com/gtag/js?id=AW-604160289	137.1 KiB	55.2 KiB
www.googletagmanager.com/gtag/js?id=AW-366523017	134.0 KiB	55.0 KiB
www.googletagmanager.com/gtag/js?id=AW-428190572	133.9 KiB	55.0 KiB
www.googletagmanager.com/gtag/js?id=AW-604241884	143.4 KiB	54.6 KiB
www.googletagmanager.com/gtag/js?id=AW-974491288	146.3 KiB	54.4 KiB
www.googletagmanager.com/gtag/js?id=AW-428117166	136.3 KiB	54.1 KiB
www.googletagmanager.com/gtag/js?id=AW-976680299	144.5 KiB	53.9 KiB
www.googletagmanager.com/gtag/js?id=AW-783587133	144.0 KiB	52.9 KiB
www.googletagmanager.com/gtag/js?id=AW-393863666	137.0 KiB	52.4 KiB
www.googletagmanager.com/gtag/js?id=AW-17892296232	137.3 KiB	52.2 KiB
s-cdn.rmp.rakuten.co.jp/js/aa.js	102.3 KiB	50.8 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	40.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	40.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	40.9 KiB
/signals/config/2102918640517656?v=2.9.298&r=stable&domai...	126.7 KiB	37.5 KiB
/signals/config/25069282142772105?v=2.9.298&r=stable&doma...	126.7 KiB	37.5 KiB
/signals/config/1389856708696550?v=2.9.298&r=stable&domai...	126.7 KiB	37.5 KiB
/signals/config/4355369038068620?v=2.9.298&r=stable&domai...	126.7 KiB	37.5 KiB
/signals/config/1308629997445925?v=2.9.298&r=stable&domai...	126.8 KiB	37.3 KiB
/signals/config/1389856708696550?v=2.9.298&r=stable&domai...	126.7 KiB	37.2 KiB
/signals/config/875304955236868?v=2.9.298&r=stable&domain...	126.8 KiB	37.1 KiB
/sdk/webcx-web-blocks/2.73.0/webcx-web-blocks.production....	99.3 KiB	36.4 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.6 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.2 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.2 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.1 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Total CPU Time	Script Evaluation	Script Parse
/com/js/service/app/pages/top/javascript/vendors-00a95f13...	25.6 s	7.7 s	157 ms
Unattributable	12.9 s	1.1 s	0.0 ms
www.rakuten.co.jp/	11.7 s	6.7 ms	1.9 ms
grp15.ias.rakuten.co.jp/gw.js?v=2	4.9 s	4.5 s	98 ms
connect.facebook.net/en_US/fbevents.js	2.5 s	1.8 s	582 ms
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	1.1 s	868 ms	238 ms
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOQ.js	855 ms	631 ms	204 ms
/com/js/service/app/pages/top/javascript/touch-00a95f1395...	719 ms	170 ms	246 ms
/signals/config/1389856708696550?v=2.9.298&r=stable&domai...	703 ms	590 ms	110 ms
analytics.tiktok.com/i18n/pixel/static/identify_5cff1caf.js	689 ms	517 ms	155 ms
/sdk/webcx-web-blocks/2.73.0/webcx-web-blocks.production....	658 ms	522 ms	44 ms
/com/js/service/app/pages/top/javascript/main-00a95f13955...	501 ms	497 ms	3.3 ms
/signals/config/875304955236868?v=2.9.298&r=stable&domain...	495 ms	334 ms	57 ms
www.googletagmanager.com/gtag/js?id=AW-428117166	469 ms	289 ms	51 ms
/event?a=%5B44566%2C87771%2C120796%5D&v=5.46.0&p0=e%3Dexd...	464 ms	357 ms	7.6 ms
s.yimg.jp/images/listing/tool/cv/ytag.js	446 ms	366 ms	72 ms
www.googletagmanager.com/gtag/js?id=AW-393863666	431 ms	298 ms	50 ms
www.googletagmanager.com/gtag/js?id=AW-783587133	400 ms	343 ms	52 ms
www.googletagmanager.com/gtag/js?id=AW-976680299	374 ms	316 ms	54 ms
www.googletagmanager.com/gtag/js?id=AW-974491288	374 ms	320 ms	49 ms
static.criteo.net/js/ld/ld.js	374 ms	331 ms	27 ms
www.googletagmanager.com/gtag/js?id=AW-17892296232	370 ms	294 ms	71 ms
www.googletagmanager.com/gtag/js?id=AW-604241884	367 ms	310 ms	52 ms
www.googletagmanager.com/gtag/js?id=AW-10785709492	359 ms	300 ms	54 ms
/signals/config/2102918640517656?v=2.9.298&r=stable&domai...	359 ms	299 ms	57 ms
www.googletagmanager.com/gtag/js?id=AW-17351696522	347 ms	291 ms	53 ms
/signals/config/4355369038068620?v=2.9.298&r=stable&domai...	342 ms	283 ms	55 ms
/signals/config/1308629997445925?v=2.9.298&r=stable&domai...	338 ms	279 ms	57 ms
/signals/config/25069282142772105?v=2.9.298&r=stable&doma...	336 ms	279 ms	53 ms
www.googletagmanager.com/gtag/js?id=AW-17689400065	334 ms	276 ms	53 ms
www.googletagmanager.com/gtag/js?id=AW-604160289	329 ms	278 ms	46 ms
www.googletagmanager.com/gtag/js?id=AW-366523017	325 ms	273 ms	49 ms
www.googletagmanager.com/gtag/js?id=AW-11379161587	321 ms	267 ms	51 ms
www.googletagmanager.com/gtag/js?id=AW-604209422	317 ms	268 ms	45 ms
www.googletagmanager.com/gtag/js?id=AW-428190572	304 ms	251 ms	49 ms
www.googletagmanager.com/gtag/js?id=AW-16568667236	303 ms	256 ms	44 ms
www.googletagmanager.com/gtag/js?id=AW-604227436	288 ms	240 ms	45 ms
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMQ.js	278 ms	208 ms	64 ms
www.googletagmanager.com/gtag/js?id=DC-10275646	261 ms	213 ms	45 ms
s-cdn.rmp.rakuten.co.jp/js/aa.js	252 ms	216 ms	15 ms
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	249 ms	216 ms	28 ms
r.r10s.jp/com/rat/js/ral-1.10.1.js	208 ms	156 ms	4.3 ms
dynamic.criteo.com/js/ld/ld.js?a=44566&a=87771&a=120796	203 ms	187 ms	9.0 ms
static.ads-twitter.com/uwt.js	183 ms	158 ms	20 ms
/signals/config/149307711579983?v=2.9.298&r=stable&domain...	152 ms	123 ms	28 ms
s-cdn.rmp.rakuten.co.jp/js/cd.js	151 ms	93 ms	56 ms
/signals/config/1114717489487974?v=2.9.298&r=stable&domai...	150 ms	125 ms	24 ms
www.rakuten.co.jp/akam/13/62eb75e0	149 ms	124 ms	6.1 ms
jscdn.appier.net/aa.js?id=rakuten.co.jp	147 ms	121 ms	14 ms
/event?a=91422&v=5.46.0&p0=e%3Dexd%26site_type%3Dm&p1=e%3...	130 ms	82 ms	2.8 ms
/event?a=3242&v=5.46.0&p0=e%3Dexd%26site_type%3Dm&p1=e%3D...	115 ms	79 ms	2.9 ms
cdn.smartnews-ads.com/i/pixel.js	105 ms	96 ms	5.8 ms
r.r10s.jp/com/js/service/app/pages/top/css/touch-00a95f13955d8aa9a908.bundle.css	74 ms	0.0 ms	0.0 ms
ias.r10s.jp/grp15/lib/ichiba_frame.js?v=20170130	64 ms	61 ms	2.2 ms
r.r10s.jp/com/ap/target/phoenix-2.7.2.min.js	63 ms	31 ms	14 ms
tags.creativecdn.com/dSUgiq2sfddqypCVjN3V.js	62 ms	57 ms	2.9 ms
bat.bing.com/bat.js	52 ms	43 ms	7.1 ms

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

Category	Time Spent
Other	35.2 s
Script Evaluation	29.0 s
Script Parsing & Compilation	3.5 s
Rendering	3.1 s
Style & Layout	2.9 s
Garbage Collection	1.2 s
Parse HTML & CSS	507 ms

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size
/com/js/service/app/pages/top/javascript/touch-00a95f1395...	642.4 KiB
/com/js/service/app/pages/top/javascript/vendors-00a95f13...	272.4 KiB
www.googletagmanager.com/gtag/js?id=AW-974491288	146.3 KiB
www.googletagmanager.com/gtag/js?id=AW-10785709492	144.7 KiB
www.googletagmanager.com/gtag/js?id=AW-976680299	144.5 KiB
www.googletagmanager.com/gtag/js?id=AW-11379161587	144.4 KiB
www.googletagmanager.com/gtag/js?id=AW-17351696522	144.4 KiB
www.googletagmanager.com/gtag/js?id=AW-783587133	144.3 KiB
www.googletagmanager.com/gtag/js?id=AW-604241884	143.5 KiB
www.googletagmanager.com/gtag/js?id=AW-16568667236	137.4 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL
div > div.ad-banner--1HCUr > a > img.image--1H40I `div > div.ad-banner--1HCUr > a > img.image--1H40I`	r.r10s.jp/com/img/global/newuser_sp_ichiba-top_1080x168_en.png
div > a > p > img `div > a > p > img`	/block/d40535ac09aac0ef32f8a23b8bb8e04bc2e8f9d6b0981fa98a...
div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I `div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I`	/com/img/EMP/202604/73d3ac2c-cd0c-44ff-affe-22a68ce20cd9-...
div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I `div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I`	/com/img/EMP/202603/a7cd1507-709a-4448-a24d-fd6580cc86af-...
div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I `div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I`	/com/img/EMP/202603/94741de6-b2da-41a8-8f0b-e57aaa2f1dff-...
div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I `div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I`	/com/img/EMP/202604/73d3ac2c-cd0c-44ff-affe-22a68ce20cd9-...
div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I `div.swiper-slide > a.link--3Wnxp > span.label--173G7 > img.image--1H40I`	/com/img/EMP/202603/a7cd1507-709a-4448-a24d-fd6580cc86af-...
div#ecosystem_bnr > a > p > img `div#ecosystem_bnr > a > p > img`	r.r10s.jp/com/img/home/smart/top/ecosystem/bnr/202512/ich_sp_rmb.png
div.container--G4ZgU > div.spacer--3hYb9 > div.spacer--3hYb9 > img.image--1H40I `div.container--G4ZgU > div.spacer--3hYb9 > div.spacer--3hYb9 > img.image--1H40I`	r.r10s.jp/com/img/thumb/logo/ichiba_top_footer_r-rogo.svg
div.spacer--3hYb9 > div.spacer--3hYb9 > a > img.image--1H40I `div.spacer--3hYb9 > div.spacer--3hYb9 > a > img.image--1H40I`	r.r10s.jp/com/img/thumb/logo/sp_logo_footer_gogreen.svg

More information about the performance of your application. These numbers don't directly affect the Performance score.

●Optimize DOM size

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●Minify JavaScript

●User Timing marks and measures 111 user timings

●Avoid long main-thread tasks 20 long tasks found

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 330 ms

●Server Backend Latencies 1,630 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 340 ms

○INP breakdown

○Avoid non-composited animations

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

ARIA

Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Show cart `div.top-row--QN2vt > div.top-row-right--1F8Nv > div.spacer--3hYb9 > a.button--1YPpl`
ログイン `div.button-group-wrapper--1BnbG > div.container--1f9KH > div.container-link--1V2xO > a.button--1YPpl`
会員登録 `div.button-group-wrapper--1BnbG > div.container--1f9KH > div.container-link--1V2xO > a.button--1YPpl`
お気に入り `div > div.container--3snA3 > div.main-buttons--3fWkN > a.button--1YPpl`
閲覧履歴 `div > div.container--3snA3 > div.main-buttons--3fWkN > a.button--1YPpl`
購入履歴 `div > div.container--3snA3 > div.main-buttons--3fWkN > a.button--1YPpl`
myクーポン `div > div.container--3snA3 > div.main-buttons--3fWkN > a.button--1YPpl`
ログイン `div.container--2grkW > div.spacer--3hYb9 > div.spacer--3hYb9 > a.button--1YPpl`
新規会員登録はこちら `div.container--2grkW > div.spacer--3hYb9 > div.registration-link--nRfc4 > a.button--1YPpl`
すべて見る `div.title-wrapper--1eivO > div.sub-title-wrapper--zI_Bz > div > a.button--1YPpl`
ご利用ガイド `div.container--y7h8c > div.container--G4ZgU > div.spacer--3hYb9 > a.button--1YPpl`
ヘルプ `div.container--y7h8c > div.container--G4ZgU > div.spacer--3hYb9 > a.button--1YPpl`

When an element doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn how to make command elements more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body > div > div.etsy-banner--1r0bv > div `body > div > div.etsy-banner--1r0bv > div`
body > div > div.etsy-banner--1r0bv > div.close-button-container--1Nt3j `body > div > div.etsy-banner--1r0bv > div.close-button-container--1Nt3j`
div.top-row--QN2vt > div.top-row-left--3YyH1 > div.spacer--3hYb9 > div.hamburger-container--3ZHwt `div.top-row--QN2vt > div.top-row-left--3YyH1 > div.spacer--3hYb9 > div.hamburger-container--3ZHwt`

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
掲載アイテム全品20%以上OFF！ `a.container--gpVqv > div.content--3IBRF > div.content-text--1aLnW > div.text-display--2HKHe`
まとめ買いでさらにお得！ `a.container--gpVqv > div.content--3IBRF > div.content-text--1aLnW > div.text-display--2HKHe`
必見！注目アイテムをチェック `a.container--gpVqv > div.content--3IBRF > div.content-text--1aLnW > div.text-display--2HKHe`

These are opportunities to improve the legibility of your content.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
a.link-wrapper--1G0sw > div.container--3tUHo > div.aspect-ratio-box--14W6l > img.image--aJFXw `a.link-wrapper--1G0sw > div.container--3tUHo > div.aspect-ratio-box--14W6l > img.image--aJFXw`

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body > div > div.ad-banner--1HCUr > a `body > div > div.ad-banner--1HCUr > a`
body > div#mkdiv_header_pitari > div > a `body > div#mkdiv_header_pitari > div > a`
div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp `div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp`
div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp `div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp`
div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp `div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp`
div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp `div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp`
div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp `div.swiper-container > div.swiper-wrapper > div.swiper-slide > a.link--3Wnxp`
div.free--3104i > div.container--17oFq > div > a `div.free--3104i > div.container--17oFq > div > a`
div.swiper-slide > div.container--17oFq > div > a `div.swiper-slide > div.container--17oFq > div > a`
div.swiper-slide > div.container--17oFq > div > a `div.swiper-slide > div.container--17oFq > div > a`
div.swiper-slide > div.container--17oFq > div > a `div.swiper-slide > div.container--17oFq > div > a`
div.swiper-slide > div.container--17oFq > div > a `div.swiper-slide > div.container--17oFq > div > a`
body > div > div.spacer--3hYb9 > a.link-wrapper--1G0sw `body > div > div.spacer--3hYb9 > a.link-wrapper--1G0sw`
body > div > div#ecosystem_bnr > a `body > div > div#ecosystem_bnr > a`
div.container--G4ZgU > div.spacer--3hYb9 > div.spacer--3hYb9 > a `div.container--G4ZgU > div.spacer--3hYb9 > div.spacer--3hYb9 > a`

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Best practices

Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
head > meta `head > meta`

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
新規会員登録はこちら `div.container--2grkW > div.spacer--3hYb9 > div.registration-link--nRfc4 > a.button--1YPpl`
Language `div.spacer--3hYb9 > div > span.reference--1AAIT > button.button--1YPpl`

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html `html`

These items highlight common accessibility best practices.

○Interactive controls are keyboard focusable

○Interactive elements indicate their purpose and state

○The page has a logical tab order

○Visual order on the page follows DOM order

○User focus is not accidentally trapped in a region

○The user's focus is directed to new content added to the page

○HTML5 landmark elements are used to improve navigation

○Offscreen content is hidden from assistive technology

○Custom controls have associated labels

○Custom controls have ARIA roles

●`[aria-hidden="true"]` is not present on the document `<body>`

●`[role]`s have all required `[aria-*]` attributes

●Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.

●`[role]`s are contained by their required parent element

●`[role]` values are valid

●`[aria-*]` attributes have valid values

●`[aria-*]` attributes are valid and not misspelled

●Buttons have an accessible name

●Form elements have associated labels

●ARIA attributes are used as specified for the element's role

●`[aria-hidden="true"]` elements do not contain focusable descendents

●Elements use only permitted ARIA attributes

●Document has a `<title>` element

●`<html>` element has a `[lang]` attribute

●`<html>` element has a valid value for its `[lang]` attribute

●No element has a `[tabindex]` value greater than 0

●Deprecated ARIA roles were not used

●The page contains a heading, skip link, or landmark region

●Identical links have the same purpose.

●Elements with visible text labels have matching accessible names.

○`[accesskey]` values are unique

○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

○Elements with the `role=text` attribute do not have focusable descendents.

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.

○Definition list items are wrapped in `<dl>` elements

○ARIA IDs are unique

○No form fields have multiple labels

○`<frame>` or `<iframe>` elements have a title

○Heading elements appear in a sequentially-descending order

○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.

○Input buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○Links are distinguishable without relying on color.

○Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

○List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

○The document does not use `<meta http-equiv="refresh">`

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.

○`[lang]` attributes have a valid value

○`<video>` elements contain a `<track>` element with `[kind="captions"]`

○Tables have different content in the summary attribute and `<caption>`.

○All heading elements contain content.

○Uses ARIA roles only on compatible elements

○Image elements do not have `[alt]` attributes that are redundant text.

○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.

○`<td>` elements in a large `<table>` have one or more table headers.

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / Warning	Source
AttributionReporting	connect.facebook.net/en_US/fbevents.js line 279, col 769

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

Source	Description
user-attributes.api.rakuten.co.jp/capi/v1/ecosys/user.json?acc=1&aid=43&attr=111	`Failed to load resource: the server responded with a status of 401 ()`

●Uses HTTPS

●Avoids third-party cookies

●Allows users to paste into input fields

●Avoids requesting the geolocation permission on page load

●Avoids requesting the notification permission on page load

●Displays images with correct aspect ratio

●Serves images with appropriate resolution

●Page has the HTML doctype

●Properly defines charset

●No issues in the `Issues` panel in Chrome Devtools

●Ensure CSP is effective against XSS attacks

●Use a strong HSTS policy

●Ensure proper origin isolation with COOP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Crawling and Indexing

If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more about robots.txt.

Why this matters

Performance issues directly impact user engagement and conversion rates.

To appear in search results, crawlers need access to your app.

Content Best Practices

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
a.link-wrapper--1G0sw > div.container--3tUHo > div.aspect-ratio-box--14W6l > img.image--aJFXw `a.link-wrapper--1G0sw > div.container--3tUHo > div.aspect-ratio-box--14W6l > img.image--aJFXw`

Format your HTML in a way that enables crawlers to better understand your app’s content.

○Structured data is valid

●Page isn’t blocked from indexing

●Document has a `<title>` element

●Document has a meta description

●Page has successful HTTP status code

●Links have descriptive text

●Links are crawlable

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

Performance

Accessibility

Best Practices

SEO

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

3.04 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

7.31 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

966 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.447

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

10.45 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

18.31 s

Detailed Report

Audit breakdown by category with detailed findings.

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Source: Google web.dev / Lighthouse

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Request	Cache TTL	Transfer Size
/signals/config/875304955236868?v=2.9.298&r=stable&domain...	1200.0 s	127.0 KiB
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image.rakuten.co.jp/com/img/home/t.gif	3600.0 s	340 B
/com/advance/ichiba/ichiba_top_page_right_banner/pc/condi...	0.0 ms	269 B
www.rakuten.co.jp/com/advance/ichiba/ichiba_top_recommend/pc/condition.js	0.0 ms	269 B
/dspreply?dspId=1521&dspUserId=k-r_oxeJk3zUhRE_6fmwRXEeya...	0.0 ms	263 B
match.adsrvr.org/track/cmb/generic?ttd_pid=8wutv4d&ttd_tpi=1&gdpr=0	0.0 ms	254 B
tshop.r10s.jp/book/cabinet/6030/4948872416030.jpg?fitin=95:95	82800.0 s	563 B
/p?id=cdc764d043d719a0b4dc545a&t=1776361640&url=https%3A%...	0.0 ms	226 B
/p?id=71a405ecfcfa62469ef90716&t=1776361640&url=https%3A%...	0.0 ms	226 B
/p?id=cdc764d043d719a0b4dc545a&t=1776361640&url=https%3A%...	0.0 ms	225 B
/p?id=cdc764d043d719a0b4dc545a&t=1776361640&url=https%3A%...	0.0 ms	225 B
www.rakuten.co.jp/com/tls/tls.js	0.0 ms	211 B
/s/28292?bidder_id=71340&bidder_uuid=k-4QPWkZk3zUhRE_6fmw...	0.0 ms	208 B
/s/28292?bidder_id=71340&bidder_uuid=k-4QPWkZk3zUhRE_6fmw...	0.0 ms	208 B
/s/28292?bidder_id=71340&bidder_uuid=k-4QPWkZk3zUhRE_6fmw...	0.0 ms	208 B
/unfilled?datp=0kbr6ivVzva4Jnvjk62KLOvVB9QwITAWcDNst6kwdv...	0.0 ms	195 B
api.r10s.jp/clientinfo?callback=jsonp1776361630932	0.0 ms	156 B
sin.creativecdn.com/adx/cm?v=2&pi=adx&tdc=sin&google_error=3&tc=1	0.0 ms	124 B
/unfilled?datp=OafKIY4axNA_yEUbUGO2gOMGFkUaIFbm2yBgDQwRCC...	0.0 ms	119 B
/r3/f75d?url=https%3A%2F%2Fgrp15.ias.rakuten.co.jp%2Fgw.j...	0.0 ms	101 B
/r3/f75d?url=https%3A%2F%2Fgrp15.ias.rakuten.co.jp%2Fgw.j...	0.0 ms	93 B
/r3/f75d?url=https%3A%2F%2Fgrp15.ias.rakuten.co.jp%2Fgw.j...	0.0 ms	93 B
/uid/sync.htm?pid=13079&cuid=k-_SzSopk3zUhRE_6fmwRXEeyaAL...	0.0 ms	89 B
/cksync.php?cs=3&type=crt&ovsid=k-quLSuJk3zUhRE_6fmwRXEey...	0.0 ms	61 B
/cksync.php?cs=3&type=crt&ovsid=k-quLSuJk3zUhRE_6fmwRXEey...	0.0 ms	61 B
/cksync.php?cs=3&type=crt&ovsid=k-quLSuJk3zUhRE_6fmwRXEey...	0.0 ms	61 B
/tr/?id=1308629997445925&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	23 B
/tr/?id=2102918640517656&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	23 B
/tr/?id=25069282142772105&ev=PageView&dl=https%3A%2F%2Fgr...	0.0 ms	23 B
/tr/?id=875304955236868&ev=PageView&dl=https%3A%2F%2Fgrp1...	0.0 ms	23 B
/tr/?id=875304955236868&ev=AddToWishlist&dl=https%3A%2F%2...	0.0 ms	23 B
/tr/?id=4355369038068620&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	23 B
/tr/?id=4355369038068620&ev=Contact&dl=https%3A%2F%2Fgrp1...	0.0 ms	23 B
/tr?id=1762797887297705&ev=PageView&cd[content_type]=prod...	0.0 ms	23 B
/tr/?id=7990815291011029&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	19 B
/tr/?id=703715494234766&ev=PageView&dl=https%3A%2F%2Fgrp1...	0.0 ms	16 B
/tr/?id=6379376198810490&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	16 B
/tr/?id=1114717489487974&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	16 B
/tr/?id=1114717489487974&ev=ViewContent&dl=https%3A%2F%2F...	0.0 ms	16 B
/tr/?id=149307711579983&ev=PageView&dl=https%3A%2F%2Fgrp1...	0.0 ms	16 B
/tr/?id=1389856708696550&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	16 B
/tr/?id=1389856708696550&ev=PageView&dl=https%3A%2F%2Fgrp...	0.0 ms	16 B
/tr/?id=1389856708696550&ev=ViewContent&dl=https%3A%2F%2F...	0.0 ms	16 B
/a?v=3&t=l&pid=1630378223&rv=64f0&tag_exp=0~115938465~115...	0.0 ms	11 B
/signals/config/1389856708696550?v=2.9.298&r=stable&domai...	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
connect.facebook.net/en_US/fbevents.js	1200.0 s	0 B
s-cdn.rmp.rakuten.co.jp/js/cd.js	3600.0 s	0 B
static.criteo.net/js/ld/ld.js	10800.0 s	0 B
jscdn.appier.net/aa.js?id=rakuten.co.jp	300.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
s.yimg.jp/images/listing/tool/cv/ytag.js	600.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1991961.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1991961.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1991961.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1991961.0 s	0 B
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	1991961.0 s	0 B
cdn.smartnews-ads.com/i/pixel.js	150.0 s	0 B
cdn.smartnews-ads.com/i/pixel.js	150.0 s	0 B
tags.creativecdn.com/L52n0153rTKlxZFwgXDs.js	3600.0 s	0 B
tags.creativecdn.com/dSUgiq2sfddqypCVjN3V.js	3600.0 s	0 B
tags.creativecdn.com/dSUgiq2sfddqypCVjN3V.js	3600.0 s	0 B

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

items: [map[node:map[type:text value:Total] score:0.281517] map[node:map[boundingRect:map[bottom:3657 height:3041 left:27 right:1323 top:616 width:1296] lhId:page-55-DIV nodeLabel:012345678 特設会場おすすめクーポンポイントグルメファッションゲームガイド大特価SALE 掲載アイテム全品20%以上OFF！日用品最… path:4,HTML,2,BODY,10,DIV,27,DIV selector:body > div#wrapper > div#container snippet:<div id="container"> type:node] score:0.233275 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://r.r10s.jp/com/js/service/resources/ichiba-icon-font54c5cedc4f7e4a89f57c1cf9fb57fd82.woff]]] type:subitems]] map[node:map[boundingRect:map[bottom:1048 height:196 left:290 right:1308 top:852 width:1018] lhId:page-60-SECTION nodeLabel:特設会場おすすめクーポンポイントグルメファッションゲームガイド大特価SALE 掲載アイテム全品20%以上OFF！日用品最大50%ポイントバッ… path:4,HTML,2,BODY,10,DIV,27,DIV,0,DIV,0,DIV,5,SECTION selector:div#container > div#main-container > div#main-section > section.ri-main-contents snippet:<section irc="BigSaleTabContent" class="ri-main-contents" data-rat-account-id="1" data-rat-service-id="1" data-rat-page-layout="pc" data-rat-page-type="top" data-rat-page-name="ichiba_top" data-rat-site-section="top" data-header=" { "imageUrl": "https://r.r10s.jp/com/img/thumb/200309/message/flash…" data-categories=" [ { "name":"おすすめ", "value":"recommend", "prefixIc…"> type:node] score:0.048242]]

items: [map[node:map[type:text value:Total] score:0.043789] map[node:map[boundingRect:map[bottom:3657 height:3041 left:27 right:1323 top:616 width:1296] lhId:page-55-DIV nodeLabel:012345678 特設会場おすすめクーポンポイントグルメファッションゲームガイド大特価SALE 掲載アイテム全品20%以上OFF！日用品最… path:4,HTML,2,BODY,10,DIV,27,DIV selector:body > div#wrapper > div#container snippet:<div id="container"> type:node] score:0.043789]]

items: [map[node:map[type:text value:Total] score:0.446805] map[node:map[boundingRect:map[bottom:0 height:0 left:0 right:0 top:0 width:0] lhId:page-66-A nodeLabel: path:0,LI,0,A selector:ul.r-slideshow-page > li.r-slideshow-item > a snippet:<a href="https://rd.rakuten.co.jp/rat/?R2=https%3A%2F%2Fevent.rakuten.co.jp%2Fcampa…"> type:node] score:0.234903] map[node:map[boundingRect:map[bottom:587 height:300 left:-270 right:1620 top:287 width:1890] lhId:page-67-A nodeLabel:div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a path:4,HTML,2,BODY,10,DIV,18,DIV,0,DIV,0,DIV,0,DIV,0,UL,0,LI,0,A selector:div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a snippet:<a href="https://rd.rakuten.co.jp/rat/?R2=https%3A%2F%2Fevent.rakuten.co.jp%2Fcampa…"> type:node] score:0.10222] map[node:map[boundingRect:map[bottom:0 height:0 left:0 right:0 top:0 width:0] lhId:page-66-A nodeLabel: path:0,LI,0,A selector:ul.r-slideshow-page > li.r-slideshow-item > a snippet:<a href="https://rd.rakuten.co.jp/rat/?R2=https%3A%2F%2Fevent.rakuten.co.jp%2Fcampa…"> type:node] score:0.086126] map[node:map[boundingRect:map[bottom:0 height:0 left:0 right:0 top:0 width:0] lhId:page-66-A nodeLabel: path:0,LI,0,A selector:ul.r-slideshow-page > li.r-slideshow-item > a snippet:<a href="https://rd.rakuten.co.jp/rat/?R2=https%3A%2F%2Fevent.rakuten.co.jp%2Fcampa…"> type:node] score:0.023556]]

items: [map[node:map[type:text value:Total] score:0.446635] map[node:map[boundingRect:map[bottom:587 height:300 left:-270 right:1620 top:287 width:1890] lhId:page-67-A nodeLabel:div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a path:4,HTML,2,BODY,10,DIV,18,DIV,0,DIV,0,DIV,0,DIV,0,UL,0,LI,0,A selector:div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a snippet:<a href="https://rd.rakuten.co.jp/rat/?R2=https%3A%2F%2Fevent.rakuten.co.jp%2Fcampa…"> type:node] score:0.285731] map[node:map[boundingRect:map[bottom:0 height:0 left:0 right:0 top:0 width:0] lhId:page-68-A nodeLabel: path:0,LI,0,A selector:ul.r-slideshow-page > li.r-slideshow-item > a snippet:<a href="https://rd.rakuten.co.jp/rat/?R2=https%3A%2F%2Fevent.rakuten.co.jp%2Fmothe…"> type:node] score:0.155308] map[node:map[boundingRect:map[bottom:0 height:0 left:0 right:0 top:0 width:0] lhId:page-68-A nodeLabel: path:0,LI,0,A selector:ul.r-slideshow-page > li.r-slideshow-item > a snippet:<a href="https://rd.rakuten.co.jp/rat/?R2=https%3A%2F%2Fevent.rakuten.co.jp%2Fmothe…"> type:node] score:0.005596]]

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:3.856 source:map[column:27948 line:11 type:source-location url:https://r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js urlProvider:network]]]

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:60.462 source:map[column:36 line:116 type:source-location url:https://r.r10s.jp/com/inc/home/20080930/spt/common/js/pc_ichiba_top_init.js?v=1611141500 urlProvider:network]] map[reflowTime:0.748 source:map[column:291 line:115 type:source-location url:https://r.r10s.jp/com/inc/home/20080930/spt/common/js/pc_ichiba_top_init.js?v=1611141500 urlProvider:network]] map[reflowTime:0.42 source:map[column:305 line:115 type:source-location url:https://r.r10s.jp/com/inc/home/20080930/spt/common/js/pc_ichiba_top_init.js?v=1611141500 urlProvider:network]] map[reflowTime:0.926 source:map[column:2 line:117 type:source-location url:https://r.r10s.jp/com/inc/home/20080930/spt/common/js/pc_ichiba_top_init.js?v=1611141500 urlProvider:network]] map[reflowTime:183.933 source:map[type:text value:[unattributed]]] map[reflowTime:0.532 source:map[column:26389 line:9 type:source-location url:https://r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js urlProvider:network]] map[reflowTime:0.376 source:map[column:26518 line:9 type:source-location url:https://r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js urlProvider:network]] map[reflowTime:0.247 source:map[column:26828 line:9 type:source-location url:https://r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js urlProvider:network]] map[reflowTime:0.243 source:map[column:26890 line:9 type:source-location url:https://r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js urlProvider:network]] map[reflowTime:1.566 source:map[column:27099 line:9 type:source-location url:https://r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js urlProvider:network]] map[reflowTime:0.403 source:map[column:27175 line:9 type:source-location url:https://r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js urlProvider:network]] map[reflowTime:0.292 source:map[column:27436 line:9 type:source-location url:https://r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js urlProvider:network]] map[reflowTime:0.197 source:map[column:29511 line:9 type:source-location url:https://r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js urlProvider:network]] map[reflowTime:53.922 source:map[column:96629 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/pc-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:1.43 source:map[column:96876 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/pc-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:1.879 source:map[column:79703 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/pc-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:0.879 source:map[column:33951 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/vendors-00a95f13955d8aa9a908.bundle.js urlProvider:network]] map[reflowTime:0.135 source:map[column:24107 line:1 type:source-location url:https://r.r10s.jp/com/js/service/app/pages/top/javascript/vendors-00a95f13955d8aa9a908.bundle.js urlProvider:network]]]

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Resource Size	Est Savings
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/288881/24311735/1-1-1/07eef4da3c4119cd1bafdddf438cf733.jpg	94.6 KiB	91.8 KiB
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/244238/24657951/1-1-1/b233a21840e5dcb18526d2e8cd014986.jpg	85.8 KiB	83.1 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/288881/24311765/1-1-1/b03fdfb5629e5203337ffb1b6029600d.jpg	53.3 KiB	50.6 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/288881/24311769/1-1-1/6d1b7cd20b7618696a211a18af51ddc9.jpg	51.4 KiB	48.6 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/25476/24703525/1-1-1/888ba6ab2afff978f010c0e4a3ce033c.jpg	45.8 KiB	43.2 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/288881/24311723/1-1-1/17f65c2d233c5bf468469a75706dffff.jpg	43.6 KiB	40.8 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/378705/24694355/1-1-1/17191e92033f74803ab474fdef68ab34.jpg	40.8 KiB	38.2 KiB
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/13585/24657957/1-1-1/c76c3064c8015efc2bd879274b36d1fb.jpg	40.1 KiB	37.4 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/293265/24694363/1-1-1/b11422b5256a5c3aa909ae2fe3c160e8.jpg	37.3 KiB	34.7 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/288881/24311669/1-1-1/8865bf7ed334f417c9d30df40a94a999.jpg	36.1 KiB	33.3 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/288881/24311743/1-1-1/ace6af9c84ce3ddf57f51a59f67e6e55.jpg	34.8 KiB	32.0 KiB
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/378843/24685155/1-1-1/7ac0db9fa5686e1640d6c44a300db373.jpg	30.8 KiB	28.1 KiB
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/188948/24657961/1-1-1/1aab357c551f7d1b19427eae738415d6.jpg	30.1 KiB	27.3 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/42268/24694379/1-1-1/d9072997b0609454c4cb13c08ed02567.jpg	28.7 KiB	26.1 KiB
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/378843/24685155/1-1-1/5f4ceaf25217ef4a5c3c10472d327d23.jpg	25.2 KiB	24.8 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/391097/24575353/1-1-1/15b546c9ea6e36ac3d3b9a537322452d.jpg	25.5 KiB	22.8 KiB
div.group-section > div > a > img `div.group-section > div > a > img`	/com/img/thumb/200309/message/flash/campaign/government/0...	34.2 KiB	22.2 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/348187/24468489/1-1-1/88ca4c1dc859d72bb91d27221958588a.jpg	23.9 KiB	21.2 KiB
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`	r.r10s.jp/com/img/thumb/200309/event/202604_recommend/ich_grpcpn_burn.png	23.2 KiB	18.3 KiB
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0410_disney_pickup.jpg	21.3 KiB	16.6 KiB
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0413_sanrio_pickup.jpg	20.1 KiB	15.4 KiB
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/UXP/202406/js-banner-top/8758d982-491e-42c8-b0e6...	19.7 KiB	14.9 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/323736/24610507/1-1-1/efd9d58d60ccdd86bf4a9a95cf02c21a.jpg	17.5 KiB	14.8 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/387737/24504097/1-1-1/56310306f3e92d45cf40f8be337c3857.jpg	17.2 KiB	14.4 KiB
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/13585/24657957/1-1-1/dde703cb2d31ee0ed8f8a357bae700dc.jpg	14.3 KiB	13.9 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/44708/24694371/1-1-1/5a56d8af6b8f445b53366bd978b195d0.jpg	16.0 KiB	13.4 KiB
8 `div.r-slideshow-pc > div.r-slideshow-index-container > ul.r-slideshow-index > li.r-slideshow-index-item`	r.r10s.jp/com/inc/home/20080930/beta/tz/img/sprite/icon_sprite_09.png	36.5 KiB	13.0 KiB
div.side-navi-left-banner > p.ri-event-bnr > a > img `div.side-navi-left-banner > p.ri-event-bnr > a > img`	r.r10s.jp/com/img/thumb/200309/message/flash/20251218_fmcg_340x140.jpg	15.7 KiB	13.0 KiB
div.globalBannerWrapper > div.globalBannerInner > a > p `div.globalBannerWrapper > div.globalBannerInner > a > p`	r.r10s.jp/com/img/global/newuser_ichiba_pc_980_60_en.png	22.4 KiB	12.8 KiB
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	/zenbofficial/cabinet/thumb/15offcp/bread06_250916.jpg?fi...	13.5 KiB	11.9 KiB
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/244238/24657951/1-1-1/624f403148e8568c04447852fa18418e.jpg	12.2 KiB	11.8 KiB
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/EMP/202603/c70bc4e2-8e6a-4a25-b849-4b8f4d1f0e7b-...	15.1 KiB	10.6 KiB
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/321177/24685163/1-1-1/e81ff357006470bd18e4e2d637e84e47.jpg	12.6 KiB	10.2 KiB
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/EMP/202603/5f2f6755-4469-4620-8ac6-32606a593b85-...	13.0 KiB	9.1 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/30296/24462559/1-1-1/7340b43f0101d74a8d2f41abef051f2d.jpg	11.6 KiB	8.8 KiB
div.liquidBanner-frame > div.liquidBanner-next > a > span.ri-next-btn `div.liquidBanner-frame > div.liquidBanner-next > a > span.ri-next-btn`	r.r10s.jp/com/inc/home/20080930/spt/common/img/icon_sprite_09.png	32.3 KiB	8.8 KiB
SPU `div.side-navi-left-banner > p > a > img`	/com/img/thumb/200309/message/flash/campaign/2026/2026020...	10.8 KiB	8.4 KiB
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	tshop.r10s.jp/healthpark/cabinet/bread-021-01.jpg?fitin=200:200	10.0 KiB	8.4 KiB
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0410_marvel_pickup.jpg	12.9 KiB	8.2 KiB
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/EMP/202603/223a7640-c73b-417a-968a-cb63dd10ca5d-...	10.8 KiB	7.6 KiB
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/188948/24657961/1-1-1/71cbbd9eae64655b96b22fc3d541355d.jpg	7.7 KiB	7.3 KiB
div#side-navi > p.ri-event-bnr > a > img `div#side-navi > p.ri-event-bnr > a > img`	r.r10s.jp/com/img/thumb/200309/message/flash/201904/PC_215x215.jpg	13.8 KiB	7.3 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/291365/24694387/1-1-1/bb43a3f8aeea5cf93658ddedd8527f29.jpg	9.0 KiB	6.4 KiB
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	/unove-official/cabinet/biiino/item/main-image/2026031615...	8.0 KiB	6.3 KiB
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/EMP/202603/45f3505b-0da7-4312-ba7c-a3312bf1620e-...	8.9 KiB	6.2 KiB
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/148640/24483717/1-1-1/00aefe5f6754330bcddf94adb3f0c65a.jpg	8.9 KiB	6.2 KiB
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0410_RLB069.jpg	10.4 KiB	5.7 KiB
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/321177/24685163/1-1-1/952fb7ae94b210a3d2ceecbf210c10ac.jpg	5.8 KiB	5.4 KiB
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	/orbis-shop/cabinet/orbis_prd/90/_r4908064090790-real.jpg...	6.4 KiB	4.8 KiB
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/321177/24657963/1-1-1/d57ec5f5d8f4a78e9602dfcb9e409120.jpg	5.8 KiB	4.7 KiB
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0413_room.jpg	8.8 KiB	4.4 KiB
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`	r.r10s.jp/com/img/thumb/200309/event/202412_recommend/ich_grpcpn_sec.jpg	9.2 KiB	4.2 KiB
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	tshop.r10s.jp/kokoroshop/cabinet/2024/plain10_v2_10.jpg?fitin=200:200	5.5 KiB	4.2 KiB
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/book/cabinet/4414/9784081024414_1_5.jpg?fitin=95:95	5.5 KiB	4.1 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]

items: [map[duration:1230.672 label:Time to first byte subpart:timeToFirstByte] map[duration:4297.898 label:Resource load delay subpart:resourceLoadDelay] map[duration:11.297 label:Resource load duration subpart:resourceLoadDuration] map[duration:86.901 label:Element render delay subpart:elementRenderDelay]]

lhId: page-54-IMG

nodeLabel: li.r-slideshow-item > a > div.r-slideshow-item-image > img

path: 0,LI,0,A,0,DIV,0,IMG

selector: li.r-slideshow-item > a > div.r-slideshow-item-image > img

snippet: <img alt="" src="https://r.r10s.jp/com/img/EMP/202603/89178130-51d6-488a-8c5b-7284c6ca80ef-…">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-54-IMG

nodeLabel: li.r-slideshow-item > a > div.r-slideshow-item-image > img

path: 0,LI,0,A,0,DIV,0,IMG

selector: li.r-slideshow-item > a > div.r-slideshow-item-image > img

snippet: <img alt="" src="https://r.r10s.jp/com/img/EMP/202603/89178130-51d6-488a-8c5b-7284c6ca80ef-…">

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

title: Preconnected origins

value: no origins were preconnected

description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.

title: Preconnect candidates

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size	Duration
/com/advance/ichiba/ichiba_top_page_right_banner/pc/condi...	269 B
www.rakuten.co.jp/com/advance/ichiba/ichiba_top_recommend/pc/condition.js	269 B
r.r10s.jp/com/inc/home/20080930/spt/common/js/pc_ichiba_top_init.js?v=1611141500	30.0 KiB
r.r10s.jp/com/js/d/shisa/1.1.6/shisa.min.js	2.8 KiB
r.r10s.jp/com/inc/home/20080930/beta/tz/js/init.min.js	6.0 KiB
/com/inc/home/20080930/spt/common/css/develop_js_1.1.2.mi...	14.2 KiB
r.r10s.jp/com/js/d/Rmodules/1.29/Rmodules-1.29.3.min.js	3.1 KiB
/com/inc/home/20080930/spt/common/css/ichiba_top-1.6.1.mi...	13.7 KiB	250 ms
www.rakuten.co.jp/com/tls/tls.js	211 B

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Est Savings
/com/js/service/resources/ichiba-icon-font54c5cedc4f7e4a8...	5.0 ms

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.0 s

URL	Time Spent
rakuten.co.jp/	1.0 s
www.rakuten.co.jp/	0.0 ms

Why this matters

Performance issues directly impact user engagement and conversion rates.

Element	Layout shift score
div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a `div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a`	0.286
div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a `div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a`	0.235
012345678 特設会場おすすめクーポンポイントグルメファッションゲームガイド大特価SALE 掲載アイテム全品20%以上OFF！日用品最… `body > div#wrapper > div#container`	0.233
`ul.r-slideshow-page > li.r-slideshow-item > a`	0.155
div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a `div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a`	0.102
`ul.r-slideshow-page > li.r-slideshow-item > a`	0.086
特設会場おすすめクーポンポイントグルメファッションゲームガイド大特価SALE 掲載アイテム全品20%以上OFF！日用品最大50%ポイントバッ… `div#container > div#main-container > div#main-section > section.ri-main-contents`	0.048
012345678 特設会場おすすめクーポンポイントグルメファッションゲームガイド大特価SALE 掲載アイテム全品20%以上OFF！日用品最… `body > div#wrapper > div#container`	0.044
`ul.r-slideshow-page > li.r-slideshow-item > a`	0.024
`ul.r-slideshow-page > li.r-slideshow-item > a`	0.006

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 200 ms 75.3 KiB

URL	Transfer Size	Est Savings
r.r10s.jp/com/js/service/app/pages/top/css/pc-00a95f13955d8aa9a908.bundle.css	66.8 KiB	63.4 KiB
/com/inc/home/20080930/spt/common/css/develop_js_1.1.2.mi...	14.0 KiB	11.8 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

Source: Google web.dev / Lighthouse

Estimated savings: 510 ms 2.8 MiB

URL	Transfer Size	Est Savings
/com/js/service/app/pages/top/javascript/vendors-00a95f13...	272.2 KiB	175.6 KiB
/com/js/service/app/pages/top/javascript/pc-00a95f13955d8...	527.7 KiB	132.4 KiB
s-cdn.rmp.rakuten.co.jp/js/cd.js	120.0 KiB	87.1 KiB
s-cdn.rmp.rakuten.co.jp/js/cd.js	120.0 KiB	87.1 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOQ.js	120.8 KiB	70.9 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOQ.js	120.8 KiB	70.7 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOQ.js	120.8 KiB	65.8 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMQ.js	109.0 KiB	61.3 KiB
www.googletagmanager.com/gtag/js?id=DC-10275646	129.3 KiB	59.6 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	105.4 KiB	59.0 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	105.4 KiB	59.0 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	105.4 KiB	58.7 KiB
www.googletagmanager.com/gtag/js?id=AW-11379161587	144.4 KiB	58.5 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	105.4 KiB	57.8 KiB
www.googletagmanager.com/gtag/js?id=AW-17351696522	144.3 KiB	56.3 KiB
www.googletagmanager.com/gtag/js?id=AW-604227436	128.9 KiB	56.0 KiB
www.googletagmanager.com/gtag/js?id=AW-16568667236	137.4 KiB	55.5 KiB
www.googletagmanager.com/gtag/js?id=AW-10785709492	144.7 KiB	55.3 KiB
www.googletagmanager.com/gtag/js?id=AW-17689400065	137.3 KiB	55.3 KiB
www.googletagmanager.com/gtag/js?id=AW-604241884	143.4 KiB	55.2 KiB
www.googletagmanager.com/gtag/js?id=AW-604209422	137.1 KiB	55.2 KiB
www.googletagmanager.com/gtag/js?id=AW-366523017	133.9 KiB	55.0 KiB
www.googletagmanager.com/gtag/js?id=AW-428117166	136.3 KiB	54.9 KiB
www.googletagmanager.com/gtag/js?id=AW-974491288	146.3 KiB	54.4 KiB
www.googletagmanager.com/gtag/js?id=AW-604160289	137.1 KiB	54.3 KiB
www.googletagmanager.com/gtag/js?id=AW-428190572	133.9 KiB	54.0 KiB
www.googletagmanager.com/gtag/js?id=AW-976680299	144.5 KiB	53.5 KiB
www.googletagmanager.com/gtag/js?id=AW-393863666	137.0 KiB	52.4 KiB
www.googletagmanager.com/gtag/js?id=AW-17892296232	137.3 KiB	52.2 KiB
www.googletagmanager.com/gtag/js?id=AW-783587133	144.0 KiB	50.3 KiB
s-cdn.rmp.rakuten.co.jp/js/aa.js	102.3 KiB	49.1 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	40.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	40.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	40.9 KiB
/sdk/webcx-web-blocks/2.73.0/webcx-web-blocks.production....	99.3 KiB	38.7 KiB
/signals/config/1389856708696550?v=2.9.298&r=stable&domai...	126.7 KiB	37.8 KiB
/signals/config/1389856708696550?v=2.9.298&r=stable&domai...	126.7 KiB	37.7 KiB
/signals/config/875304955236868?v=2.9.298&r=stable&domain...	126.8 KiB	37.7 KiB
/signals/config/2102918640517656?v=2.9.298&r=stable&domai...	126.7 KiB	37.7 KiB
/signals/config/25069282142772105?v=2.9.298&r=stable&doma...	126.7 KiB	37.7 KiB
/signals/config/1308629997445925?v=2.9.298&r=stable&domai...	126.8 KiB	37.6 KiB
/signals/config/4355369038068620?v=2.9.298&r=stable&domai...	126.7 KiB	37.5 KiB
r.r10s.jp/com/inc/home/20080930/spt/common/js/pc_ichiba_top_async-1.4.7.js	54.3 KiB	36.9 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	35.3 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	35.3 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	35.3 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	35.3 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	35.3 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	35.0 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.6 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.6 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.5 KiB
cdn.rex.contents.rakuten.co.jp/rex-ips/2.1.0/js/main.js	80.0 KiB	34.4 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Total CPU Time	Script Evaluation	Script Parse
Unattributable	1.8 s	89 ms	0.0 ms
www.rakuten.co.jp/	1.1 s	46 ms	3.7 ms
grp15.ias.rakuten.co.jp/gw.js?v=2	1.1 s	941 ms	23 ms
/com/js/service/app/pages/top/javascript/vendors-00a95f13...	866 ms	255 ms	35 ms
connect.facebook.net/en_US/fbevents.js	638 ms	488 ms	137 ms
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	295 ms	229 ms	59 ms
/q?protocol=secure&qt=1&eid=11&enc=0&du=6&gid=0&ge=9&len=...	231 ms	123 ms	6.8 ms
/signals/config/1389856708696550?v=2.9.298&r=stable&domai...	223 ms	189 ms	28 ms
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOQ.js	221 ms	166 ms	49 ms
r.r10s.jp/com/inc/home/20080930/spt/common/js/pc_ichiba_top_init.js?v=1611141500	184 ms	152 ms	3.1 ms
analytics.tiktok.com/i18n/pixel/static/identify_5cff1caf.js	170 ms	125 ms	41 ms
/signals/config/4355369038068620?v=2.9.298&r=stable&domai...	163 ms	102 ms	15 ms
/com/js/service/app/pages/top/javascript/pc-00a95f13955d8...	151 ms	19 ms	45 ms
/sdk/webcx-web-blocks/2.73.0/webcx-web-blocks.production....	146 ms	121 ms	11 ms
/signals/config/875304955236868?v=2.9.298&r=stable&domain...	142 ms	119 ms	14 ms
/signals/config/1308629997445925?v=2.9.298&r=stable&domai...	120 ms	82 ms	13 ms
r.r10s.jp/com/js/d/Rmodules/modules/rmod-jquery-1.12.2.min.js	119 ms	83 ms	3.2 ms
www.googletagmanager.com/gtag/js?id=AW-17351696522	113 ms	71 ms	13 ms
/event?a=%5B44566%2C87771%2C120796%5D&v=5.46.0&p0=e%3Dexd...	103 ms	72 ms	2.0 ms
www.googletagmanager.com/gtag/js?id=AW-783587133	101 ms	86 ms	13 ms
www.googletagmanager.com/gtag/js?id=AW-976680299	100 ms	84 ms	14 ms
/com/js/service/app/pages/top/javascript/main-00a95f13955...	100 ms	97 ms	0.8 ms
/signals/config/2102918640517656?v=2.9.298&r=stable&domai...	99 ms	83 ms	14 ms
www.googletagmanager.com/gtag/js?id=AW-974491288	95 ms	80 ms	13 ms
/signals/config/25069282142772105?v=2.9.298&r=stable&doma...	95 ms	80 ms	13 ms
www.googletagmanager.com/gtag/js?id=AW-10785709492	94 ms	78 ms	13 ms
www.googletagmanager.com/gtag/js?id=AW-17892296232	93 ms	78 ms	12 ms
www.googletagmanager.com/gtag/js?id=AW-604241884	92 ms	77 ms	12 ms
www.googletagmanager.com/gtag/js?id=AW-393863666	86 ms	72 ms	12 ms
s.yimg.jp/images/listing/tool/cv/ytag.js	86 ms	68 ms	16 ms
www.googletagmanager.com/gtag/js?id=AW-604209422	86 ms	70 ms	14 ms
www.googletagmanager.com/gtag/js?id=AW-428190572	86 ms	72 ms	12 ms
www.googletagmanager.com/gtag/js?id=AW-604160289	82 ms	68 ms	13 ms
www.googletagmanager.com/gtag/js?id=AW-11379161587	79 ms	64 ms	13 ms
www.googletagmanager.com/gtag/js?id=AW-17689400065	78 ms	64 ms	12 ms
www.googletagmanager.com/gtag/js?id=AW-428117166	78 ms	63 ms	14 ms
www.googletagmanager.com/gtag/js?id=AW-366523017	77 ms	64 ms	12 ms
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMQ.js	76 ms	59 ms	15 ms
www.googletagmanager.com/gtag/js?id=AW-16568667236	76 ms	63 ms	11 ms
www.googletagmanager.com/gtag/js?id=AW-604227436	74 ms	62 ms	11 ms
cdn.rex.contents.rakuten.co.jp/rex-ips/2.1.0/js/main.js	70 ms	60 ms	8.4 ms
/adv/?rad_nw=jp&rad_site=ichiba&rad_cont=daily&rad_type=i...	70 ms	13 ms	0.2 ms
static.criteo.net/js/ld/ld.js	66 ms	56 ms	6.9 ms
d.line-scdn.net/n/line_tag/public/release/v1/lt.js	65 ms	57 ms	6.9 ms
www.googletagmanager.com/gtag/js?id=DC-10275646	64 ms	51 ms	11 ms
/adv/?rad_nw=jp&rad_site=ichiba&rad_cont=superdeal&rad_ty...	60 ms	35 ms	0.8 ms
r.r10s.jp/com/inc/home/20080930/spt/common/js/pc_ichiba_top_async-1.4.7.js	57 ms	21 ms	13 ms

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

Category	Time Spent
Script Evaluation	6.0 s
Other	2.5 s
Script Parsing & Compilation	910 ms
Style & Layout	869 ms
Rendering	376 ms
Parse HTML & CSS	295 ms
Garbage Collection	141 ms

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 11.6 KiB

URL	Transfer Size	Est Savings
image.rakuten.co.jp/com/js/omniture/s_code.js	35.7 KiB	9.3 KiB
www.rakuten.co.jp/com/js/omniture/codetopaste/www/sc_top.js	4.3 KiB	2.2 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size
/com/js/service/app/pages/top/javascript/pc-00a95f13955d8...	533.3 KiB
/com/js/service/app/pages/top/javascript/vendors-00a95f13...	272.6 KiB
www.rakuten.co.jp/	192.0 KiB
/com/img/thumb/200309/message/flash/campaign/sidepanel/23...	162.8 KiB
ias.r10s.jp/dst/ec/288881/24311749/1-1-1/df06e85a61caaccd38de1fd5cb4faa38.jpg	152.6 KiB
www.googletagmanager.com/gtag/js?id=AW-974491288	146.3 KiB
www.googletagmanager.com/gtag/js?id=AW-976680299	144.8 KiB
www.googletagmanager.com/gtag/js?id=AW-10785709492	144.7 KiB
www.googletagmanager.com/gtag/js?id=AW-11379161587	144.4 KiB
www.googletagmanager.com/gtag/js?id=AW-17351696522	144.4 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/UXP/202406/js-banner-top/8758d982-491e-42c8-b0e6...
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/EMP/202603/c70bc4e2-8e6a-4a25-b849-4b8f4d1f0e7b-...
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/EMP/202603/45f3505b-0da7-4312-ba7c-a3312bf1620e-...
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/EMP/202603/223a7640-c73b-417a-968a-cb63dd10ca5d-...
li.r-slideshow-item > a > div.r-slideshow-item-image > img `li.r-slideshow-item > a > div.r-slideshow-item-image > img`	/com/img/EMP/202603/5f2f6755-4469-4620-8ac6-32606a593b85-...
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/321177/24685163/1-1-1/e81ff357006470bd18e4e2d637e84e47.jpg
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/321177/24657963/1-1-1/d57ec5f5d8f4a78e9602dfcb9e409120.jpg
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/244238/24657951/1-1-1/b233a21840e5dcb18526d2e8cd014986.jpg
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/378843/24685155/1-1-1/7ac0db9fa5686e1640d6c44a300db373.jpg
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/188948/24657961/1-1-1/1aab357c551f7d1b19427eae738415d6.jpg
a.pcbanner > div.dealThumb > div.dealImg > img `a.pcbanner > div.dealThumb > div.dealImg > img`	ias.r10s.jp/dst/ec/13585/24657957/1-1-1/c76c3064c8015efc2bd879274b36d1fb.jpg
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0413_sanrio_pickup.jpg
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0413_room.jpg
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0410_disney_pickup.jpg
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0410_marvel_pickup.jpg
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`	r.r10s.jp/evt/event/rmagazine/_cmn/inc/img/main/2026/top_0410_RLB069.jpg
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/25476/24703525/1-1-1/888ba6ab2afff978f010c0e4a3ce033c.jpg
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/293265/24694363/1-1-1/b11422b5256a5c3aa909ae2fe3c160e8.jpg
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/291365/24694387/1-1-1/bb43a3f8aeea5cf93658ddedd8527f29.jpg
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/42268/24694379/1-1-1/d9072997b0609454c4cb13c08ed02567.jpg
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/44708/24694371/1-1-1/5a56d8af6b8f445b53366bd978b195d0.jpg
a > ul.sizeFix > li.itemImg > img `a > ul.sizeFix > li.itemImg > img`	ias.r10s.jp/dst/ec/378705/24694355/1-1-1/17191e92033f74803ab474fdef68ab34.jpg
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	tshop.r10s.jp/kokoroshop/cabinet/2024/plain10_v2_10.jpg?fitin=200:200
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	/orbis-shop/cabinet/orbis_prd/90/_r4908064090790-real.jpg...
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	tshop.r10s.jp/adidas/cabinet/p78/js0062_l.jpg?fitin=200:200
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	/unove-official/cabinet/biiino/item/main-image/2026031615...
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	tshop.r10s.jp/a-kemari87/cabinet/ftw1/if6562.jpg?fitin=200:200
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	/zenbofficial/cabinet/thumb/15offcp/bread06_250916.jpg?fi...
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	tshop.r10s.jp/healthpark/cabinet/bread-021-01.jpg?fitin=200:200
div.sizeFix > div > a > img `div.sizeFix > div > a > img`	/beautifulnet-nagoya/cabinet/06777908/imgrc0087124040.jpg...
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/321177/24685163/1-1-1/952fb7ae94b210a3d2ceecbf210c10ac.jpg
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/321177/24657963/1-1-1/6830432ea7dad0a58d39d707c99c64ef.jpg
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/244238/24657951/1-1-1/624f403148e8568c04447852fa18418e.jpg
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/378843/24685155/1-1-1/5f4ceaf25217ef4a5c3c10472d327d23.jpg
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/188948/24657961/1-1-1/71cbbd9eae64655b96b22fc3d541355d.jpg
div > a.pcbanner > div.dealLogo > img `div > a.pcbanner > div.dealLogo > img`	ias.r10s.jp/dst/ec/13585/24657957/1-1-1/dde703cb2d31ee0ed8f8a357bae700dc.jpg
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`	r.r10s.jp/com/img/thumb/200309/event/202501_recommend/ich_grpcpn_trv.png
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`	r.r10s.jp/com/img/thumb/200309/event/202506_recommend/ich_grpcpn_rtc_5000.gif
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`	r.r10s.jp/com/img/thumb/200309/event/202412_recommend/ich_grpcpn_sec.jpg
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`	r.r10s.jp/com/img/thumb/200309/event/202512_recommend/ich_grpcpn_too_1000.jpg
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`	r.r10s.jp/com/img/thumb/200309/event/202507_recommend/ich_grpcpn_bnk.gif
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`	r.r10s.jp/com/img/thumb/200309/event/202604_recommend/ich_grpcpn_burn.png
Go Green Together `section#corporate-container > p > a > img`	r.r10s.jp/com/img/thumb/logo/pc_logo_footer_gogreen.svg
section.mobile-section > div.app-container > div.app-qr-img > img `section.mobile-section > div.app-container > div.app-qr-img > img`	r.r10s.jp/com/img/home/footer/app/iosQR.png
section.mobile-section > div.app-container > div.app-qr-img > img `section.mobile-section > div.app-container > div.app-qr-img > img`	r.r10s.jp/com/img/home/footer/app/andQR.png
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/meta/cabinet/12062899/imgrc0095963311.jpg?fitin=95:95
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/meta/cabinet/12062899/imgrc0095963312.jpg?fitin=95:95
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/meta/cabinet/12062899/imgrc0095963313.jpg?fitin=95:95
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/kouragumi/cabinet/10531638/imgrc0114997850.jpg?fitin=95:95
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/als-inc/cabinet/waterserver/ws0600_20170418.jpg?fitin=95:95
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/kuwabe/cabinet/imgrc0098611240.jpg?fitin=95:95
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/tvert/cabinet/goods/10495879/imgrc0087649584.jpg?fitin=95:95
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/pricon/cabinet/item-thumb/jj/cp/1d_oa90_700.jpg?fitin=95:95
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`	tshop.r10s.jp/book/cabinet/4414/9784081024414_1_5.jpg?fitin=95:95

More information about the performance of your application. These numbers don't directly affect the Performance score.

●Optimize DOM size

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●User Timing marks and measures 318 user timings

●Avoid long main-thread tasks 20 long tasks found

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 340 ms

●Server Backend Latencies 1,300 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 70 ms

○INP breakdown

○Avoid non-composited animations

Accessibility

ARIA

Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
買い物かご `div.header-icon--3RxSN > div.anchor--3hZJd > div.trigger--332Fs > a.button--1P0_8`
閲覧履歴 `div.spacer--1O71j > div.main-buttons-container--oNkIA > div.header-icon--3RxSN > a.button--1P0_8`
お気に入り `div.spacer--1O71j > div.main-buttons-container--oNkIA > div.header-icon--3RxSN > a.button--1P0_8`
購入履歴 `div.spacer--1O71j > div.main-buttons-container--oNkIA > div.header-icon--3RxSN > a.button--1P0_8`
myクーポン `div.spacer--1O71j > div.main-buttons-container--oNkIA > div.header-icon--3RxSN > a.button--1P0_8`
楽天会員登録(無料) `div.header--Cng_y > ul.side-menu--2vkwY > li.section--3nUwE > a.button--1P0_8`
ログイン `div.header--Cng_y > ul.side-menu--2vkwY > li.section--3nUwE > a.button--1P0_8`

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
掲載アイテム全品20%以上OFF！ `a.container--3w_bo > div.content--QciEp > div > div.text-display--3jedW`
まとめ買いでさらにお得！ `a.container--3w_bo > div.content--QciEp > div > div.text-display--3jedW`
必見！注目アイテムをチェック `a.container--3w_bo > div.content--QciEp > div > div.text-display--3jedW`

Low-contrast text is difficult or impossible for many users to read. Link text that is discernible improves the experience for users with low vision. Learn how to make links distinguishable.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
「個人情報保護方針」 `section.caution-section > dl.caution-contents > dd.caution-list > a`

These are opportunities to improve the legibility of your content.

Tables and lists

When definition lists are not properly marked up, screen readers may produce confusing or inaccurate output. Learn how to structure definition lists correctly.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
楽天クラッチ募金 `div#guide-container > div.mobile-container > section.tohoku-section > dl.tohoku-list`

Definition list items (`<dt>` and `<dd>`) must be wrapped in a parent `<dl>` element to ensure that screen readers can properly announce them. Learn how to structure definition lists correctly.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
サステナビリティ `div#guide-container > div.mobile-container > section.tohoku-section > dd`

Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
ファッション・インナーファッション小物食品・スイーツドリンク・お酒日用雑貨・キッチン用品コスメ・健康・医薬品キッズ・ベビー・玩具家電・TV・カメ… `div#side-navi > section#sc_lidAdd_gmenu > div.js-category-menu > ul.categoryMenu__l1Container`

Screen readers require list items (`<li>`) to be contained within a parent `<ul>`, `<ol>` or `<menu>` to be announced properly. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
EARTH MALL `div#side-navi > div#sc_lidAdd_leftnavi > section.ri-side-section > li.ri-side-link`
ラクマ（フリマアプリ） `div#side-navi > div#sc_lidAdd_leftnavi > section.ri-side-section > li.ri-side-link`

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
ul > li#rnkDailyGenreLink_0_unlink > div > img `ul > li#rnkDailyGenreLink_0_unlink > div > img`
ul > li#rnkDailyGenreLink_1_linked > div#rnkDailyGenreLink_1 > img `ul > li#rnkDailyGenreLink_1_linked > div#rnkDailyGenreLink_1 > img`
ul > li#rnkDailyGenreLink_2_linked > div#rnkDailyGenreLink_2 > img `ul > li#rnkDailyGenreLink_2_linked > div#rnkDailyGenreLink_2 > img`
ul > li#rnkDailyGenreLink_3_linked > div#rnkDailyGenreLink_3 > img `ul > li#rnkDailyGenreLink_3_linked > div#rnkDailyGenreLink_3 > img`
ul > li#rnkDailyGenreLink_4_linked > div#rnkDailyGenreLink_4 > img `ul > li#rnkDailyGenreLink_4_linked > div#rnkDailyGenreLink_4 > img`
ul > li#rnkDailyGenreLink_5_linked > div#rnkDailyGenreLink_5 > img `ul > li#rnkDailyGenreLink_5_linked > div#rnkDailyGenreLink_5 > img`
ul > li#rnkDailyGenreLink_6_linked > div#rnkDailyGenreLink_6 > img `ul > li#rnkDailyGenreLink_6_linked > div#rnkDailyGenreLink_6 > img`
ul > li#rnkDailyGenreLink_7_linked > div#rnkDailyGenreLink_7 > img `ul > li#rnkDailyGenreLink_7_linked > div#rnkDailyGenreLink_7 > img`
div#rnkAsurakuColumn > div.rnkTtl > div.rnkIcon > img `div#rnkAsurakuColumn > div.rnkTtl > div.rnkIcon > img`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
body > img `body > img`

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div#wrapper > div.globalBannerWrapper > div.globalBannerInner > a `div#wrapper > div.globalBannerWrapper > div.globalBannerInner > a`
div.container--1kko3 > div.header-bar--4NlqO > div.spacer--1O71j > a.logo--2UFRP `div.container--1kko3 > div.header-bar--4NlqO > div.spacer--1O71j > a.logo--2UFRP`
div#wrapper > div#mkdiv_header_pitari > div > a `div#wrapper > div#mkdiv_header_pitari > div > a`
div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a `div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a`
div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a `div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a`
div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a `div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a`
div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a `div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a`
div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a `div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a`
div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a `div.r-slideshow-items > ul.r-slideshow-page > li.r-slideshow-item > a`
div.sdLiquidBanner > div.sdLiquidBanner-frame > div.sdLiquidBanner-prev > a.prev-button `div.sdLiquidBanner > div.sdLiquidBanner-frame > div.sdLiquidBanner-prev > a.prev-button`
div.sdLiquidBanner > div.sdLiquidBanner-frame > div.sdLiquidBanner-next > a.next-button `div.sdLiquidBanner > div.sdLiquidBanner-frame > div.sdLiquidBanner-next > a.next-button`
div#rnkGenreTabBase > div#rnkDailyGenreTabs > div#rnkDailyGenrePrevButton > a.prev-button `div#rnkGenreTabBase > div#rnkDailyGenreTabs > div#rnkDailyGenrePrevButton > a.prev-button`
div#rnkGenreTabBase > div#rnkDailyGenreTabs > div#rnkDailyGenreNextButton > a.next-button `div#rnkGenreTabBase > div#rnkDailyGenreTabs > div#rnkDailyGenreNextButton > a.next-button`
div#rnkTabSet > div#rnkTabItemdiv_rnkDailyGenreLink_0 > div#rnkDailyPrevButton_rnkDailyGenreLink_0 > a.prev-button `div#rnkTabSet > div#rnkTabItemdiv_rnkDailyGenreLink_0 > div#rnkDailyPrevButton_rnkDailyGenreLink_0 > a.prev-button`
li > ul.rnkItemLink > li.rnkItemThumb > a `li > ul.rnkItemLink > li.rnkItemThumb > a`
li > ul.rnkItemLink > li.rnkItemThumb > a `li > ul.rnkItemLink > li.rnkItemThumb > a`
li > ul.rnkItemLink > li.rnkItemThumb > a `li > ul.rnkItemLink > li.rnkItemThumb > a`
li > ul.rnkItemLink > li.rnkItemThumb > a `li > ul.rnkItemLink > li.rnkItemThumb > a`
li > ul.rnkItemLink > li.rnkItemThumb > a `li > ul.rnkItemLink > li.rnkItemThumb > a`
li > ul.rnkItemLink > li.rnkItemThumb > a `li > ul.rnkItemLink > li.rnkItemThumb > a`
li > ul.rnkItemLink > li.rnkItemThumb > a `li > ul.rnkItemLink > li.rnkItemThumb > a`
li > ul.rnkItemLink > li.rnkItemThumb > a `li > ul.rnkItemLink > li.rnkItemThumb > a`
li > ul.rnkItemLink > li.rnkItemThumb > a `li > ul.rnkItemLink > li.rnkItemThumb > a`
div#rnkTabSet > div#rnkTabItemdiv_rnkDailyGenreLink_0 > div#rnkDailyNextButton_rnkDailyGenreLink_0 > a.next-button `div#rnkTabSet > div#rnkTabItemdiv_rnkDailyGenreLink_0 > div#rnkDailyNextButton_rnkDailyGenreLink_0 > a.next-button`
div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-prev > a.prev-button `div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-prev > a.prev-button`
div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-next > a.next-button `div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-next > a.next-button`
ul > li.banner > div > a.rBrandListItem `ul > li.banner > div > a.rBrandListItem`
ul > li.banner > div > a.rBrandListItem `ul > li.banner > div > a.rBrandListItem`
ul > li.banner > div > a.rBrandListItem `ul > li.banner > div > a.rBrandListItem`
ul > li.banner > div > a.rBrandListItem `ul > li.banner > div > a.rBrandListItem`
ul > li.banner > div > a.rBrandListItem `ul > li.banner > div > a.rBrandListItem`
ul > li.banner > div > a.rBrandListItem `ul > li.banner > div > a.rBrandListItem`
div.liquidBannerMulti-json > div.liquidBanner-frame > div.liquidBanner-prev > a.prev-button `div.liquidBannerMulti-json > div.liquidBanner-frame > div.liquidBanner-prev > a.prev-button`
div.liquidBannerMulti-json > div.liquidBanner-frame > div.liquidBanner-next > a.next-button `div.liquidBannerMulti-json > div.liquidBanner-frame > div.liquidBanner-next > a.next-button`
div.ad-slideshow-existItemDisplay > div.ad-slideshow-frame > div.ad-slideshow-prev > a.prev-button `div.ad-slideshow-existItemDisplay > div.ad-slideshow-frame > div.ad-slideshow-prev > a.prev-button`
li.ad > div.sizeFix > div > a `li.ad > div.sizeFix > div > a`
li.ad > div.sizeFix > div > a `li.ad > div.sizeFix > div > a`
li.ad > div.sizeFix > div > a `li.ad > div.sizeFix > div > a`
li.ad > div.sizeFix > div > a `li.ad > div.sizeFix > div > a`
li.ad > div.sizeFix > div > a `li.ad > div.sizeFix > div > a`
li.ad > div.sizeFix > div > a `li.ad > div.sizeFix > div > a`
li.ad > div.sizeFix > div > a `li.ad > div.sizeFix > div > a`
li.ad > div.sizeFix > div > a `li.ad > div.sizeFix > div > a`
div.ad-slideshow-existItemDisplay > div.ad-slideshow-frame > div.ad-slideshow-next > a.next-button `div.ad-slideshow-existItemDisplay > div.ad-slideshow-frame > div.ad-slideshow-next > a.next-button`
div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-prev > a.prev-button `div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-prev > a.prev-button`
div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-next > a.next-button `div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-next > a.next-button`
div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-prev > a.prev-button `div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-prev > a.prev-button`
div > ul > li.ad > a `div > ul > li.ad > a`
div > ul > li.ad > a `div > ul > li.ad > a`
div > ul > li.ad > a `div > ul > li.ad > a`
div > ul > li.ad > a `div > ul > li.ad > a`
div > ul > li.ad > a `div > ul > li.ad > a`
div > ul > li.ad > a `div > ul > li.ad > a`
div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-next > a.next-button `div.rad-slideshow-existItemDisplay > div.rad-slideshow-frame > div.rad-slideshow-next > a.next-button`
div.liquidBannerMulti > div.liquidBanner-frame > div.liquidBanner-prev > a.prev-button `div.liquidBannerMulti > div.liquidBanner-frame > div.liquidBanner-prev > a.prev-button`
div.liquidBannerMulti > div.liquidBanner-frame > div.liquidBanner-next > a.next-button `div.liquidBannerMulti > div.liquidBanner-frame > div.liquidBanner-next > a.next-button`
div#side-navi > div.side-navi-left-banner > p.ri-event-bnr > a `div#side-navi > div.side-navi-left-banner > p.ri-event-bnr > a`
div#container > div#side-navi > p.ri-event-bnr > a `div#container > div#side-navi > p.ri-event-bnr > a`
div > div.group-section > div > a `div > div.group-section > div > a`
div.liquidBannerMulti > div.liquidBanner-frame > div.liquidBanner-prev > a `div.liquidBannerMulti > div.liquidBanner-frame > div.liquidBanner-prev > a`
div.liquidBannerMulti > div.liquidBanner-frame > div.liquidBanner-next > a `div.liquidBannerMulti > div.liquidBanner-frame > div.liquidBanner-next > a`

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
お知らせ `div.header-icon--3RxSN > div.container--3bhS0 > div > span.reference--2DB4E`
安心・安全への取り組み `section#sc_lidAdd_guide > ul.guide-contents > li > a`
無料メルマガ申し込み `section#sc_lidAdd_guide > ul.guide-contents > li > a`
楽天市場配送ガイド（受取方法） `section#sc_lidAdd_guide > ul.guide-contents > li > a`
楽天ショッピングサービスご利用規約 `section#sc_lidAdd_guide > ul.guide-contents > li > a`
楽天市場出店のご案内 `section.guide-shop-section > dl.guide-shop-contents > dt > a`
楽天ポイント（オンライン） `section.guide-shop-section > dl.guide-shop-contents > dd > a`
楽天ペイ（実店舗決済） `section.guide-shop-section > dl.guide-shop-contents > dd > a`
楽天クラッチ募金 `section.tohoku-section > dl.tohoku-list > dd > a`
サステナビリティ `div.mobile-container > section.tohoku-section > dd > a`
楽天ブックス `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天Kobo電子書籍ストア `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天24 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天24エクスプレス `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ビック `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
Rakuten Fashion `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽券 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
ラクマ `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天マート `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天全国スーパー `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天リーベイツ `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
ROOM `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天RaCoupon `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
Ｊリーグオンラインストア `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天グローバルエクスプレス `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天カード `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ペイ（オンライン決済） `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ペイ（スマホ決済） `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天Edy `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天銀行 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天証券 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ウォレット `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天投信投資顧問 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天損保 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天生命 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天自動車保険一括見積り `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天超かんたん保険 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
保険の比較 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ペット保険 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天トラベル `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天トラベル観光体験 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天トラベルキャンプ `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
Rakuten STAY `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
Rakuten Oyado `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天カーシェア `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天GORA `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天toto `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天×宝くじ `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天競馬 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
Kドリームス `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天モバイル `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ひかり `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天でんわ `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天Infoseek `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ウェブ検索 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天アフィリエイト `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
リンクシェアアフィリエイト `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ブログ `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
Rakuten Viber `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
Viki `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天マガジン `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天チケット `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
Rakuten Music `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
みんなのチケット `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天イーグルス `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
ヴィッセル神戸 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天でんき `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ガス `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
ヨヤクスリ `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ヘルスケア `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天シニア `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ビューティ `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天レシピ `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ぐるなび `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天Car `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天Car車検 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天写真館 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天不動産 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天家計簿 `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ポイントカード `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天ポイントモール `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天スーパーポイントスクリーン `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
Rakuten Pasha `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天チェック `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天インサイト `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
楽天超ミニバイト `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
台湾 (台灣) `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
アメリカ (United States) `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
フランス (France) `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`
ドイツ (Deutschland) `section.ft-service-division > ul.ft-service-list > li.ft-service-link > a`

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html.js `html.js`

These items highlight common accessibility best practices.

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
買い物かご `div.header-icon--3RxSN > div.anchor--3hZJd > div.trigger--332Fs > a.button--1P0_8`

○Interactive controls are keyboard focusable

○Interactive elements indicate their purpose and state

○The page has a logical tab order

○Visual order on the page follows DOM order

○User focus is not accidentally trapped in a region

○The user's focus is directed to new content added to the page

○HTML5 landmark elements are used to improve navigation

○Offscreen content is hidden from assistive technology

○Custom controls have associated labels

○Custom controls have ARIA roles

●`[aria-hidden="true"]` is not present on the document `<body>`

●`[role]`s have all required `[aria-*]` attributes

●Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.

●`[role]`s are contained by their required parent element

●`[role]` values are valid

●`[aria-*]` attributes have valid values

●`[aria-*]` attributes are valid and not misspelled

●Buttons have an accessible name

●Form elements have associated labels

●`button`, `link`, and `menuitem` elements have accessible names

●ARIA attributes are used as specified for the element's role

●`[aria-hidden="true"]` elements do not contain focusable descendents

●Elements use only permitted ARIA attributes

●Document has a `<title>` element

●`<html>` element has a `[lang]` attribute

●`<html>` element has a valid value for its `[lang]` attribute

●No element has a `[tabindex]` value greater than 0

●Heading elements appear in a sequentially-descending order

●Deprecated ARIA roles were not used

●All heading elements contain content.

●Identical links have the same purpose.

○`[accesskey]` values are unique

○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

○Elements with the `role=text` attribute do not have focusable descendents.

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

○The page contains a heading, skip link, or landmark region

○ARIA IDs are unique

○No form fields have multiple labels

○`<frame>` or `<iframe>` elements have a title

○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.

○Input buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○The document does not use `<meta http-equiv="refresh">`

○`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.

○`[lang]` attributes have a valid value

○`<video>` elements contain a `<track>` element with `[kind="captions"]`

○Tables have different content in the summary attribute and `<caption>`.

○Uses ARIA roles only on compatible elements

○Image elements do not have `[alt]` attributes that are redundant text.

○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.

○`<td>` elements in a large `<table>` have one or more table headers.

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / Warning	Source
AttributionReporting	connect.facebook.net/en_US/fbevents.js line 279, col 769

●Uses HTTPS

●Avoids third-party cookies

●Allows users to paste into input fields

●Avoids requesting the geolocation permission on page load

●Avoids requesting the notification permission on page load

●Displays images with correct aspect ratio

●Serves images with appropriate resolution

●Page has the HTML doctype

●Properly defines charset

●No browser errors logged to the console

●No issues in the `Issues` panel in Chrome Devtools

●Ensure CSP is effective against XSS attacks

●Use a strong HSTS policy

●Ensure proper origin isolation with COOP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

SEO

Crawling and Indexing

If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more about robots.txt.

Why this matters

Performance issues directly impact user engagement and conversion rates.

To appear in search results, crawlers need access to your app.

Content Best Practices

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
ul > li#rnkDailyGenreLink_0_unlink > div > img `ul > li#rnkDailyGenreLink_0_unlink > div > img`
ul > li#rnkDailyGenreLink_1_linked > div#rnkDailyGenreLink_1 > img `ul > li#rnkDailyGenreLink_1_linked > div#rnkDailyGenreLink_1 > img`
ul > li#rnkDailyGenreLink_2_linked > div#rnkDailyGenreLink_2 > img `ul > li#rnkDailyGenreLink_2_linked > div#rnkDailyGenreLink_2 > img`
ul > li#rnkDailyGenreLink_3_linked > div#rnkDailyGenreLink_3 > img `ul > li#rnkDailyGenreLink_3_linked > div#rnkDailyGenreLink_3 > img`
ul > li#rnkDailyGenreLink_4_linked > div#rnkDailyGenreLink_4 > img `ul > li#rnkDailyGenreLink_4_linked > div#rnkDailyGenreLink_4 > img`
ul > li#rnkDailyGenreLink_5_linked > div#rnkDailyGenreLink_5 > img `ul > li#rnkDailyGenreLink_5_linked > div#rnkDailyGenreLink_5 > img`
ul > li#rnkDailyGenreLink_6_linked > div#rnkDailyGenreLink_6 > img `ul > li#rnkDailyGenreLink_6_linked > div#rnkDailyGenreLink_6 > img`
ul > li#rnkDailyGenreLink_7_linked > div#rnkDailyGenreLink_7 > img `ul > li#rnkDailyGenreLink_7_linked > div#rnkDailyGenreLink_7 > img`
div#rnkAsurakuColumn > div.rnkTtl > div.rnkIcon > img `div#rnkAsurakuColumn > div.rnkTtl > div.rnkIcon > img`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkItemLink > li.rnkItemThumb > a > img `ul.rnkItemLink > li.rnkItemThumb > a > img`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar `ul.rnkContSpr > li.rnkItemReview > span.reviewnum > img.rnkReviewStar`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
li.banner > div > a.rBrandListItem > img.rBrandListImg `li.banner > div > a.rBrandListItem > img.rBrandListImg`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
div.sizeFix > div > a > img `div.sizeFix > div > a > img`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
li.banner > div > a.rMagazineListItem > img.rMagazineListImg `li.banner > div > a.rMagazineListItem > img.rMagazineListImg`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
a > dl > dt.rakuten-group-ttl-img > img `a > dl > dt.rakuten-group-ttl-img > img`
a > dl > dd.rakuten-group-image > img `a > dl > dd.rakuten-group-image > img`
body > img `body > img`

Format your HTML in a way that enables crawlers to better understand your app’s content.

○Structured data is valid

●Page isn’t blocked from indexing

●Document has a `<title>` element

●Document has a meta description

●Page has successful HTTP status code

●Links have descriptive text

●Links are crawlable

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`

Results for https://rakuten.co.jp

Site Health

How you compare

Top Priorities (5)

Fix Priority Matrix

Quick Wins

Strategic

Easy Improvements

Deprioritize

What fixing these means

Conversion Barriers

Speed (2)

Trust (2)

Usability (3)

Navigation (3)

Return on Investment

Investment

Monthly returns

Regulatory risk avoided

Estimated Remediation Cost

Cost by category

Cost by effort level

What Inaction Is Costing You

Compliance Risk

Bandwidth Waste

Lighthouse Scores

Core Web Vitals

Detailed Report

Performance

Insights

Diagnostics

Accessibility

ARIA

Contrast

Names and labels

Best practices

Best Practices

General

SEO

Crawling and Indexing

Content Best Practices

Lighthouse Scores

Core Web Vitals

Detailed Report

Performance

Insights

Diagnostics

Accessibility

ARIA

Contrast

Tables and lists

Names and labels

Best practices

Best Practices

General

SEO

Crawling and Indexing

Content Best Practices

Keyboard Shortcuts