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Audit Complete

Results for https://hatena.ne.jp

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JP · JPY (¥) · Estimated Applicable regulations: APPI Dev cost: ¥8,000/hr How jurisdiction is detected
Spain Spain · Madrid Completed: Apr 21, 2026 19:12 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
D68

Site Health

Score: 68 / 100

Based on 8 categories, 0 sections

Decent speed, but optimizing further could improve engagement.

Several missing protections leave your users and data exposed.

Several issues make your site difficult for assistive technology users.

Well-optimized for search — your content is discoverable.

Infrastructure issues create a speed ceiling frontend fixes can't overcome.

Mostly compliant — a few items need attention.

Rich content metadata — your pages look great everywhere.

Heavier than average — reducing page weight saves energy and bandwidth.

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

Amazon Route 53 · 669 peers
You 68
·
Avg 72
At average
0 50 100
Better than 4% of Amazon Route 53 sites See full Amazon Route 53 benchmark →
Apple · 822 peers
You 68
·
Avg 73
At average
0 50 100
Better than 3% of Apple sites See full Apple benchmark →

Top Priorities (5)

1

Content-Security-Policy header is missing

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

Security › Security Headers
2

HSTS header is missing

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

Security › Security Headers
3

No Content-Security-Policy header found

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

Security › Content Security Policy
4

52 link(s) with no accessible text

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

Accessibility › Link & Button Quality
5

No <main> landmark found

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

Accessibility › Landmark Structure
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

3

High impact, low effort — start here.

Strategic

2

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →
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<a href="https://beavercheck.com/results/beaf5a0f-b755-48c4-8a39-307924b758ae"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fhatena.ne.jp" alt="BeaverCheck Score"></a>
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What fixing these means

Your site has several issues that may be affecting user experience and business outcomes. 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.
2 accessibility issues exclude users who rely on assistive technology.
C
Could reach Estimate based on resolving critical issues

Conversion Barriers

2 critical 7 warning

9 barrier(s) likely increasing bounce by ~29%.

Speed (2)

Page takes 21.6s to load

+12% bounce

Users abandon at ~3s — you're 19.1s over the 2.5s threshold

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

Page feels frozen for 1.2s

+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 (1)

Viewport disables user zoom

+2% bounce

Visitors with low vision can't read the page — and some jurisdictions treat this as a legal risk

Fix: Remove user-scalable=no; drop maximum-scale if it's below 2

Content (1)

No structured data

+2% bounce

No rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices

Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)

Navigation (3)

52 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

1 broken link(s) on the page

+2% 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

¥36,000 investment → ¥129/month returns + JPY 100,000,000 risk avoided

Payback period: > 2 years First-year ROI: -96%

Investment

¥36,000

4h · 5 findings

Monthly returns

¥129 /mo

~¥1,550 / year

  • Bandwidth savings ¥129

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

¥36,000

4.5 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
¥ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

¥8,333,463 / month at risk

~¥100,001,550 / year if left unfixed

Compliance Risk

¥100,000,000

APPI
  • No privacy policy link detected
    APPI: JPY 100,000 – JPY 100,000,000
  • 1 advertising/retargeting trackers detected
    APPI: JPY 100,000 – JPY 100,000,000
  • Trackers detected but no cookie policy found
    APPI: JPY 100,000 – JPY 100,000,000

+1 more

Bandwidth Waste

¥129 /mo

10820.1 MB/mo × 11.940 JPY/GB

  • Optimize transfer: save ~1.1 MB per page load
    Saves ¥129/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

Unique monthly visitors from your analytics

Purchases, signups, or key actions

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

Was this report useful?

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We'll use a cached audit if available, or offer to scan.

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

31
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
84
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
62
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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.

8.87 s

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

21.57 s

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

1.22 s

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

0.015

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

12.66 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.

29.65 s

Detailed Report

Audit breakdown by category with detailed findings.

31

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.

RequestCache TTLTransfer Size
cdn.pool.st-hatena.com/valve/valve.js900.0 s141.9 KiB
www.hatena.ne.jp/_next/static/chunks/pages/index-abdab3dd89b4e3023f85.js86400.0 s180.2 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s73.1 KiB
btloader.com/tag?o=5085785915654144&upapi=true300.0 s31.3 KiB
/_next/static/chunks/67557a23317708ba96c9e9ef98fcd1f13320...86400.0 s49.7 KiB
www.hatena.ne.jp/_next/static/chunks/framework.bf835f192d9c4f88cfd8.js86400.0 s48.9 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
stats.g.doubleclick.net/dc.js7200.0 s17.3 KiB
imagesnep.admaster.cc/ML/8c566e6d95904504e98ed2e74e3d7b74__scv1__622x368.webp3600.0 s13.7 KiB
/_next/static/chunks/b1542cc239bf56c8a14913c0a930efe682b5...86400.0 s23.2 KiB
eus.rubiconproject.com/usync.js29006.0 s11.5 KiB
www.hatena.ne.jp/_next/static/chunks/commons.a42b805dfa30ddf29109.js86400.0 s16.4 KiB
/_next/static/chunks/2b0584c9c3b2247265ca83040edbd2ef0623...86400.0 s10.2 KiB
www.hatena.ne.jp/_next/static/css/3a4db6b74a0484a906fc.css86400.0 s9.7 KiB
www.hatena.ne.jp/_next/static/chunks/main-a70d24739995d9761139.js86400.0 s7.3 KiB
/sdk/js/adg-script-loader.js?id=87084&targetID=adg_87084&...419780.0 s12.3 KiB
/_next/static/chunks/71247caf95475e3ea7f9a0f8a30beb258b23...86400.0 s3.6 KiB
www.hatena.ne.jp/_next/static/chunks/pages/_app-2737f5d6d0d2b230e5c9.js86400.0 s3.5 KiB
www.hatena.ne.jp/p/images/top-image.svg86400.0 s2.4 KiB
/pagead/js/r20260420/r20110914/client/qs_click_protection...1209600.0 s8.5 KiB
www.hatena.ne.jp/_next/static/css/1af1e689739f4bef1893.css86400.0 s1.9 KiB
www.hatena.ne.jp/p/images/Hatena-logomark.svg86400.0 s1.8 KiB
static.admaster.cc/js/template/style/style_banner_8a11b3.css3600.0 s900 B
www.hatena.ne.jp/p/images/HatenaPolicies.svg86400.0 s1.2 KiB
www.hatena.ne.jp/_next/static/chunks/webpack-245f049e565ebf942e09.js86400.0 s1.2 KiB
i.socdm.com/sdk/js/adg-azs-container.js446453.0 s3.3 KiB
www.hatena.ne.jp/p/images/Anond-logo.svg86400.0 s1.1 KiB
www.hatena.ne.jp/p/images/Bookmark-logo.svg86400.0 s993 B
www.hatena.ne.jp/p/images/anonymous-mark.svg86400.0 s905 B
www.hatena.ne.jp/_next/static/iRxb0QyunnSh9N0HoZUu-/_buildManifest.js86400.0 s861 B
www.hatena.ne.jp/p/images/Blog-logo.svg86400.0 s767 B
www.hatena.ne.jp/p/images/Question-logo.svg86400.0 s752 B
www.hatena.ne.jp/p/images/search.svg86400.0 s657 B
www.hatena.ne.jp/p/images/notice.svg86400.0 s613 B
www.hatena.ne.jp/p/images/merged-entry.svg86400.0 s608 B
www.hatena.ne.jp/_next/static/iRxb0QyunnSh9N0HoZUu-/_ssgManifest.js86400.0 s522 B
/pagead/js/r20260420/r20110914/client/window_focus_fy2021.js1209600.0 s1.2 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s0 B

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:570.168 source:map[type:text value:[unattributed]]]]

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.

URLResource SizeEst Savings
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/403d512268808af0493dce4e4103a56ba9bd84cf/enl...71.1 KiB66.1 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/8374c12a8afda15027c9c74e6f954cb8c0822eea/enl...69.7 KiB64.8 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/5352004feda12560266253fa650aca03f6a953cb/enl...38.8 KiB34.1 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/0a9cbfc633d762544bd18a9015c30ab247737495/enl...35.7 KiB30.4 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/84e6ea122871650d445c9e71c8e64793a40b8c17/enl...25.4 KiB20.8 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/ac83666b63181beea90395972667c0e438859acd/enl...23.5 KiB18.7 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/9b6c16625081daa58e854b6bcddb4cfc545ef211/enl...22.3 KiB17.4 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/981152901b6f582f5542c480bb37ccbf7038f499/enl...21.5 KiB12.2 KiB
カシオ、“誰でも買ったその日から音楽制作・演奏を楽しめる”サンプラー 174 users av.watch.impress.co.jp div.ContentsFeed_tabs__vFVou > div#react-tabs-1 > ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf
imagesnep.admaster.cc/ML/8c566e6d95904504e98ed2e74e3d7b74__scv1__622x368.webp13.2 KiB10.5 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/18fcb0e4f7e30c2b06952f2ca6e6b53c94876202/enl...14.4 KiB9.5 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/492c303a1afa581643e6ca52fe2f276da0658dee/enl...13.9 KiB9.0 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/53abec85a1c5546b93530d61a844b4b433d41794/enl...17.8 KiB8.5 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/71c0ca9cc74d9adfce4c93ce75970e478d6776e8/enl...13.1 KiB8.2 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/6c274908ec4650dcda28bcce52589429d618f4d4/enl...17.5 KiB8.1 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/f79906d7f042005416c37f71f8597c6807e83d50/enl...12.8 KiB7.9 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/5c5bb68e1e8f53f1c0ef43545522607c5a4f10d1/enl...14.5 KiB7.4 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/467de1a8d30adf3f4f68be14f0e14eca1bb48531/enl...12.5 KiB7.2 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/b870fd02c5c50f1025bb0774bfbfed6846644b1b/enl...11.1 KiB6.2 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/3a720c64cc78f91eec59e61d30d8ed412b1cf8e5/enl...10.6 KiB5.7 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/9d1a47d534b724113aec9f926b28d65f6a4d7048/enl...14.6 KiB5.3 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/637b26cedf99fc8b474c244f305ca5626b12c443/enl...9.3 KiB4.6 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:1879.095 label:Time to first byte subpart:timeToFirstByte] map[duration:880.446 label:Resource load delay subpart:resourceLoadDelay] map[duration:532.265 label:Resource load duration subpart:resourceLoadDuration] map[duration:215.159 label:Element render delay subpart:elementRenderDelay]]
lhId: page-21-DIV
nodeLabel: 知りたいこと、伝えたいこと、 全部はてなで。 はてなIDがあれば あなたの知的好奇心を刺激する 様々なサービスが楽しめます はてなIDを作る(無料)
path: 1,HTML,1,BODY,4,DIV,0,DIV,1,DIV,0,DIV
selector: div#__next > div.Layout_container__21Rhq > div.Introduction_introduction__1eH1_ > div.Introduction_wrapper__2DGNR
snippet: <div class="Introduction_wrapper__2DGNR">

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-21-DIV
nodeLabel: 知りたいこと、伝えたいこと、 全部はてなで。 はてなIDがあれば あなたの知的好奇心を刺激する 様々なサービスが楽しめます はてなIDを作る(無料)
path: 1,HTML,1,BODY,4,DIV,0,DIV,1,DIV,0,DIV
selector: div#__next > div.Layout_container__21Rhq > div.Introduction_introduction__1eH1_ > div.Introduction_wrapper__2DGNR
snippet: <div class="Introduction_wrapper__2DGNR">

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
www.hatena.ne.jp/http/1.1
www.hatena.ne.jp/_next/static/css/1af1e689739f4bef1893.csshttp/1.1
www.hatena.ne.jp/_next/static/css/3a4db6b74a0484a906fc.csshttp/1.1
www.hatena.ne.jp/_next/static/chunks/main-a70d24739995d9761139.jshttp/1.1
www.hatena.ne.jp/_next/static/chunks/webpack-245f049e565ebf942e09.jshttp/1.1
www.hatena.ne.jp/_next/static/chunks/framework.bf835f192d9c4f88cfd8.jshttp/1.1
www.hatena.ne.jp/_next/static/chunks/commons.a42b805dfa30ddf29109.jshttp/1.1
/_next/static/chunks/2b0584c9c3b2247265ca83040edbd2ef0623...http/1.1
/_next/static/chunks/b1542cc239bf56c8a14913c0a930efe682b5...http/1.1
/_next/static/chunks/71247caf95475e3ea7f9a0f8a30beb258b23...http/1.1
www.hatena.ne.jp/_next/static/chunks/pages/_app-2737f5d6d0d2b230e5c9.jshttp/1.1
/_next/static/chunks/67557a23317708ba96c9e9ef98fcd1f13320...http/1.1
www.hatena.ne.jp/_next/static/chunks/pages/index-abdab3dd89b4e3023f85.jshttp/1.1
www.hatena.ne.jp/p/images/anonymous-mark.svghttp/1.1
www.hatena.ne.jp/_next/static/iRxb0QyunnSh9N0HoZUu-/_buildManifest.jshttp/1.1
www.hatena.ne.jp/_next/static/iRxb0QyunnSh9N0HoZUu-/_ssgManifest.jshttp/1.1
www.hatena.ne.jp/p/images/Hatena-logomark.svghttp/1.1
www.hatena.ne.jp/p/images/search.svghttp/1.1
www.hatena.ne.jp/p/images/top-image.svghttp/1.1
www.hatena.ne.jp/p/images/merged-entry.svghttp/1.1
www.hatena.ne.jp/p/images/Bookmark-logo.svghttp/1.1
www.hatena.ne.jp/p/images/Blog-logo.svghttp/1.1
www.hatena.ne.jp/p/images/Question-logo.svghttp/1.1
www.hatena.ne.jp/p/images/Anond-logo.svghttp/1.1
www.hatena.ne.jp/p/images/notice.svghttp/1.1
www.hatena.ne.jp/p/images/HatenaPolicies.svghttp/1.1
www.hatena.ne.jp/p/images/favicon.icohttp/1.1

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.

URLTransfer SizeDuration
fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap59.8 KiB2.1 s

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: 2.1 s
URLTime Spent
hatena.ne.jp/1.4 s
www.hatena.ne.jp/630 ms
www.hatena.ne.jp/0.0 ms

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: 850 ms 59.3 KiB
URLTransfer SizeEst Savings
fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap59.3 KiB59.3 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: 1.5 s 386.8 KiB
URLTransfer SizeEst Savings
/pagead/managed/js/gpt/m202604160201/pubads_impl.js?cb=31...187.7 KiB96.7 KiB
www.googletagmanager.com/gtag/js?id=G-6J1ZXVTZGY&cx=c&_slc=1148.0 KiB65.1 KiB
www.googletagmanager.com/gtm.js?id=GTM-WPVF7X145.1 KiB64.8 KiB
www.googletagmanager.com/gtag/js?id=G-QM5HX8W79Z&cx=c&_slc=1147.7 KiB64.2 KiB
cdn.pool.st-hatena.com/valve/valve.js141.4 KiB62.0 KiB
/_next/static/chunks/67557a23317708ba96c9e9ef98fcd1f13320...49.3 KiB34.0 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.

URLTotal CPU TimeScript EvaluationScript Parse
www.hatena.ne.jp/3.1 s387 ms2.0 ms
Unattributable1.5 s103 ms0.0 ms
/pagead/managed/js/gpt/m202604160201/pubads_impl.js?cb=31...755 ms673 ms46 ms
www.hatena.ne.jp/_next/static/chunks/pages/index-abdab3dd89b4e3023f85.js393 ms313 ms72 ms
www.googletagmanager.com/gtag/js?id=G-QM5HX8W79Z&cx=c&_slc=1234 ms189 ms43 ms
www.googletagmanager.com/gtag/js?id=G-6J1ZXVTZGY&cx=c&_slc=1231 ms189 ms41 ms
cdn.pool.st-hatena.com/valve/valve.js218 ms169 ms37 ms
www.googletagmanager.com/gtm.js?id=GTM-WPVF7X216 ms161 ms47 ms
btloader.com/tag?o=5085785915654144&upapi=true134 ms121 ms8.5 ms
securepubads.g.doubleclick.net/tag/js/gpt.js101 ms91 ms9.4 ms
www.google-analytics.com/analytics.js91 ms73 ms3.9 ms
www.hatena.ne.jp/_next/static/chunks/framework.bf835f192d9c4f88cfd8.js79 ms67 ms9.1 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.

CategoryTime Spent
Script Evaluation2.6 s
Style & Layout2.3 s
Other1.6 s
Script Parsing & Compilation351 ms
Rendering170 ms
Garbage Collection118 ms
Parse HTML & CSS67 ms

Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 6.2 KiB
URLTransfer SizeEst Savings
fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap59.8 KiB6.2 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.

URLTransfer Size
/pagead/managed/js/gpt/m202604160201/pubads_impl.js?cb=31...187.7 KiB
www.hatena.ne.jp/_next/static/chunks/pages/index-abdab3dd89b4e3023f85.js180.2 KiB
www.googletagmanager.com/gtag/js?id=G-6J1ZXVTZGY&cx=c&_slc=1148.1 KiB
www.googletagmanager.com/gtag/js?id=G-QM5HX8W79Z&cx=c&_slc=1147.8 KiB
www.googletagmanager.com/gtm.js?id=GTM-WPVF7X145.5 KiB
cdn.pool.st-hatena.com/valve/valve.js141.9 KiB
/s/notosansjp/v56/-F62fjtqLzI2JPCgQBnw7HFowwII2lcnk-AFfrg...77.2 KiB
/s/notosansjp/v56/-F62fjtqLzI2JPCgQBnw7HFowwII2lcnk-AFfrg...74.2 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js73.1 KiB
/image/scale/403d512268808af0493dce4e4103a56ba9bd84cf/enl...71.4 KiB

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

●Layout shift culprits
●Optimize DOM size
●Font display
●Optimize viewport for mobile
●Minify JavaScript
●User Timing marks and measures 14 user timings
●Avoid long main-thread tasks 18 long tasks found
●Image elements have explicit `width` and `height`
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 260 ms
●Server Backend Latencies 220 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 280 ms
●Avoid large layout shifts 3 layout shifts found
○INP breakdown
○Avoid non-composited animations
84

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.

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
ログイン header.Header_header__3Z-q0 > ul.Header_menu__2dtDj > li > a.Header_signin__1oGiB
はてなIDを作る(無料) div.Layout_container__21Rhq > div.Introduction_introduction__1eH1_ > div.Introduction_wrapper__2DGNR > a.Introduction_signup__qyLDl
(無料) div.Introduction_introduction__1eH1_ > div.Introduction_wrapper__2DGNR > a.Introduction_signup__qyLDl > span
17 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
shonenjumpplus.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
91 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
shonenjumpplus.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
72 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.nintendo.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
28 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.47news.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
79 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
togetter.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
64 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.apple.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
11 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
nyosegawa.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
86 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
bunshun.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
12 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260421194536 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
84 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
forest.watch.impress.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
217 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
news.web.nhk li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
129 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
to-ti.in li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
49 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.bbc.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
258 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.bengo4.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
39 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
dragons.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
101 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
togetter.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
71 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
type.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
40 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
rollingstonejapan.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
62 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.afpbb.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
105 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.tokyo-np.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
73 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
note.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
72 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
posfie.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
207 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.cnn.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
44 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.casio.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
174 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
av.watch.impress.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
108 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.sankei.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
177 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260421150528 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
154 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.itmedia.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
84 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
posfie.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
40 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
touda.tohoku.ac.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
id:jun-jun1965 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
162 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.famitsu.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
214 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
togetter.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
61 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
games.toei.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
36 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260421063716 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
208 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
note.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
id:toshikane li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
218 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
dailyportalz.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
234 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.ben54.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
224 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
note.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
459 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.asahi.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
263 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
sumahodigest.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
17 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260421080248 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
7 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260421075411 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
15 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20211119095122 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
210 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
rookie.shonenjump.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
2 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
id:kobonemi li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
13 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260420222726 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
4 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260420222009 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
id:gms li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
21 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
note.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
55 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260420190640 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
152 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
id:slideglide li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
10 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260420184836 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
2 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
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li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ

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
17 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
91 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
72 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
28 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
79 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
64 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
11 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
86 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
12 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
84 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
217 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
129 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
49 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
258 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
39 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
101 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
71 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
40 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
62 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
105 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
73 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
72 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
207 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
44 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
174 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
108 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
177 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
154 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
84 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
162 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
214 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
208 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
218 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
234 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
224 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
459 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
263 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
15 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
210 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
2 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
13 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
21 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
55 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
152 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
10 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
2 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
140 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
9 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
308 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
1 user li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
6 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
2 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
15 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
40 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
14 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
319 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
13 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
36 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
33 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
73 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
16 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
202 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
52 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
4 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3

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-*]` attributes match their 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
●Image elements have `[alt]` attributes
●Form elements have associated labels
●ARIA attributes are used as specified for the element's role
●Elements use only permitted ARIA attributes
●`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
●Definition list items are wrapped in `<dl>` elements
●Document has a `<title>` element
●`<frame>` or `<iframe>` elements have a title
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●No element has a `[tabindex]` value greater than 0
●Heading elements appear in a sequentially-descending order
●Deprecated ARIA roles were not used
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○`[aria-hidden="true"]` elements do not contain focusable descendents
○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
○Buttons have an accessible name
○The page contains a heading, skip link, or landmark region
○ARIA IDs are unique
○No form fields have multiple labels
○`<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.
○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.
○Elements with visible text labels have matching accessible names.
○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.
62

Best Practices

Trust and Safety

All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more about HTTPS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Insecure URLRequest Resolution
www.hatena.ne.jp/Allowed

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 / WarningSource
Topics
cdn.pool.st-hatena.com/valve/valve.js line 1, col 336

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
www.hatena.ne.jp/_next/static/chunks/pages/index-abdab3dd89b4e3023f85.js
●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
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
100

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.

○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
●robots.txt is valid
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

55
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
84
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
62
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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.

5.77 s

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

7.29 s

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

58 ms

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

0.024

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

5.77 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.

8.75 s

Detailed Report

Audit breakdown by category with detailed findings.

55

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.

RequestCache TTLTransfer Size
cdn.pool.st-hatena.com/valve/valve.js900.0 s141.9 KiB
www.hatena.ne.jp/_next/static/chunks/pages/index-abdab3dd89b4e3023f85.js86400.0 s180.2 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s73.1 KiB
btloader.com/tag?o=5085785915654144&upapi=true300.0 s31.2 KiB
/_next/static/chunks/67557a23317708ba96c9e9ef98fcd1f13320...86400.0 s49.7 KiB
www.hatena.ne.jp/_next/static/chunks/framework.bf835f192d9c4f88cfd8.js86400.0 s48.9 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
stats.g.doubleclick.net/dc.js7200.0 s17.3 KiB
/_next/static/chunks/b1542cc239bf56c8a14913c0a930efe682b5...86400.0 s23.2 KiB
eus.rubiconproject.com/usync.js28973.0 s11.5 KiB
www.hatena.ne.jp/_next/static/chunks/commons.a42b805dfa30ddf29109.js86400.0 s16.4 KiB
/_next/static/chunks/2b0584c9c3b2247265ca83040edbd2ef0623...86400.0 s10.2 KiB
www.hatena.ne.jp/_next/static/css/3a4db6b74a0484a906fc.css86400.0 s9.7 KiB
www.hatena.ne.jp/_next/static/chunks/main-a70d24739995d9761139.js86400.0 s7.3 KiB
/sdk/js/adg-script-loader.js?id=87083&targetID=adg_87083&...419747.0 s12.3 KiB
/_next/static/chunks/71247caf95475e3ea7f9a0f8a30beb258b23...86400.0 s3.6 KiB
www.hatena.ne.jp/_next/static/chunks/pages/_app-2737f5d6d0d2b230e5c9.js86400.0 s3.5 KiB
www.hatena.ne.jp/p/images/top-image-cover.svg86400.0 s2.7 KiB
www.hatena.ne.jp/_next/static/css/1af1e689739f4bef1893.css86400.0 s1.9 KiB
www.hatena.ne.jp/p/images/Hatena-logomark.svg86400.0 s1.8 KiB
www.hatena.ne.jp/p/images/HatenaPolicies.svg86400.0 s1.2 KiB
www.hatena.ne.jp/_next/static/chunks/webpack-245f049e565ebf942e09.js86400.0 s1.2 KiB
i.socdm.com/sdk/js/adg-azs-container.js446419.0 s3.3 KiB
www.hatena.ne.jp/p/images/Anond-logo.svg86400.0 s1.1 KiB
www.hatena.ne.jp/p/images/Bookmark-logo.svg86400.0 s993 B
www.hatena.ne.jp/p/images/anonymous-mark.svg86400.0 s905 B
www.hatena.ne.jp/_next/static/iRxb0QyunnSh9N0HoZUu-/_buildManifest.js86400.0 s861 B
www.hatena.ne.jp/p/images/Blog-logo.svg86400.0 s767 B
www.hatena.ne.jp/p/images/Question-logo.svg86400.0 s752 B
www.hatena.ne.jp/p/images/search.svg86400.0 s657 B
www.hatena.ne.jp/p/images/notice.svg86400.0 s613 B
www.hatena.ne.jp/p/images/merged-entry.svg86400.0 s608 B
www.hatena.ne.jp/_next/static/iRxb0QyunnSh9N0HoZUu-/_ssgManifest.js86400.0 s522 B

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:594.045 source:map[type:text value:[unattributed]]]]

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.

URLResource SizeEst Savings
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/403d512268808af0493dce4e4103a56ba9bd84cf/enl...71.1 KiB66.1 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/8374c12a8afda15027c9c74e6f954cb8c0822eea/enl...69.7 KiB64.8 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/5352004feda12560266253fa650aca03f6a953cb/enl...38.8 KiB34.1 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/84e6ea122871650d445c9e71c8e64793a40b8c17/enl...25.4 KiB20.8 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/9b6c16625081daa58e854b6bcddb4cfc545ef211/enl...22.3 KiB17.4 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/981152901b6f582f5542c480bb37ccbf7038f499/enl...21.5 KiB12.2 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/18fcb0e4f7e30c2b06952f2ca6e6b53c94876202/enl...14.4 KiB9.5 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/492c303a1afa581643e6ca52fe2f276da0658dee/enl...13.9 KiB9.0 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/53abec85a1c5546b93530d61a844b4b433d41794/enl...17.8 KiB8.5 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/f79906d7f042005416c37f71f8597c6807e83d50/enl...12.8 KiB7.9 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/467de1a8d30adf3f4f68be14f0e14eca1bb48531/enl...12.5 KiB7.2 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/9d1a47d534b724113aec9f926b28d65f6a4d7048/enl...14.6 KiB5.3 KiB
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
/image/scale/637b26cedf99fc8b474c244f305ca5626b12c443/enl...9.3 KiB4.6 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:1869.328 label:Time to first byte subpart:timeToFirstByte] map[duration:833.137 label:Resource load delay subpart:resourceLoadDelay] map[duration:797.596 label:Resource load duration subpart:resourceLoadDuration] map[duration:137.649 label:Element render delay subpart:elementRenderDelay]]
lhId: page-13-DIV
nodeLabel: 知りたいこと、伝えたいこと、 全部はてなで。 はてなIDがあれば あなたの知的好奇心を刺激する 様々なサービスが楽しめます はてなIDを作る(無料)
path: 1,HTML,1,BODY,4,DIV,0,DIV,1,DIV
selector: body > div#__next > div.Layout_container__21Rhq > div.Introduction_introduction__1eH1_
snippet: <div class="Introduction_introduction__1eH1_">

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-13-DIV
nodeLabel: 知りたいこと、伝えたいこと、 全部はてなで。 はてなIDがあれば あなたの知的好奇心を刺激する 様々なサービスが楽しめます はてなIDを作る(無料)
path: 1,HTML,1,BODY,4,DIV,0,DIV,1,DIV
selector: body > div#__next > div.Layout_container__21Rhq > div.Introduction_introduction__1eH1_
snippet: <div class="Introduction_introduction__1eH1_">

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
www.hatena.ne.jp/http/1.1
www.hatena.ne.jp/_next/static/css/1af1e689739f4bef1893.csshttp/1.1
www.hatena.ne.jp/_next/static/css/3a4db6b74a0484a906fc.csshttp/1.1
www.hatena.ne.jp/_next/static/chunks/main-a70d24739995d9761139.jshttp/1.1
www.hatena.ne.jp/_next/static/chunks/webpack-245f049e565ebf942e09.jshttp/1.1
www.hatena.ne.jp/_next/static/chunks/framework.bf835f192d9c4f88cfd8.jshttp/1.1
www.hatena.ne.jp/_next/static/chunks/commons.a42b805dfa30ddf29109.jshttp/1.1
/_next/static/chunks/2b0584c9c3b2247265ca83040edbd2ef0623...http/1.1
/_next/static/chunks/b1542cc239bf56c8a14913c0a930efe682b5...http/1.1
/_next/static/chunks/71247caf95475e3ea7f9a0f8a30beb258b23...http/1.1
www.hatena.ne.jp/_next/static/chunks/pages/_app-2737f5d6d0d2b230e5c9.jshttp/1.1
/_next/static/chunks/67557a23317708ba96c9e9ef98fcd1f13320...http/1.1
www.hatena.ne.jp/_next/static/chunks/pages/index-abdab3dd89b4e3023f85.jshttp/1.1
www.hatena.ne.jp/p/images/anonymous-mark.svghttp/1.1
www.hatena.ne.jp/_next/static/iRxb0QyunnSh9N0HoZUu-/_buildManifest.jshttp/1.1
www.hatena.ne.jp/_next/static/iRxb0QyunnSh9N0HoZUu-/_ssgManifest.jshttp/1.1
www.hatena.ne.jp/p/images/Hatena-logomark.svghttp/1.1
www.hatena.ne.jp/p/images/search.svghttp/1.1
www.hatena.ne.jp/p/images/top-image-cover.svghttp/1.1
www.hatena.ne.jp/p/images/merged-entry.svghttp/1.1
www.hatena.ne.jp/p/images/Bookmark-logo.svghttp/1.1
www.hatena.ne.jp/p/images/Blog-logo.svghttp/1.1
www.hatena.ne.jp/p/images/Question-logo.svghttp/1.1
www.hatena.ne.jp/p/images/Anond-logo.svghttp/1.1
www.hatena.ne.jp/p/images/notice.svghttp/1.1
www.hatena.ne.jp/p/images/HatenaPolicies.svghttp/1.1
www.hatena.ne.jp/p/images/favicon.icohttp/1.1

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.

URLTransfer SizeDuration
fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap59.8 KiB704 ms

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

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: 1.1 s
URLTime Spent
hatena.ne.jp/872 ms
www.hatena.ne.jp/190 ms
www.hatena.ne.jp/0.0 ms

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.

Diagnostics

Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 30 ms 6.2 KiB
URLTransfer SizeEst Savings
fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap59.8 KiB6.2 KiB

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: 140 ms 59.3 KiB
URLTransfer SizeEst Savings
fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap59.3 KiB59.3 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: 120 ms 387.1 KiB
URLTransfer SizeEst Savings
/pagead/managed/js/gpt/m202604210101/pubads_impl.js?cb=31...187.5 KiB95.5 KiB
www.googletagmanager.com/gtag/js?id=G-QM5HX8W79Z&cx=c&_slc=1147.5 KiB65.7 KiB
www.googletagmanager.com/gtag/js?id=G-6J1ZXVTZGY&cx=c&_slc=1148.0 KiB64.9 KiB
www.googletagmanager.com/gtm.js?id=GTM-WPVF7X145.1 KiB64.8 KiB
cdn.pool.st-hatena.com/valve/valve.js141.4 KiB62.1 KiB
/_next/static/chunks/67557a23317708ba96c9e9ef98fcd1f13320...49.3 KiB34.0 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.

URLTransfer Size
/pagead/managed/js/gpt/m202604210101/pubads_impl.js?cb=31...187.6 KiB
www.hatena.ne.jp/_next/static/chunks/pages/index-abdab3dd89b4e3023f85.js180.2 KiB
www.googletagmanager.com/gtag/js?id=G-6J1ZXVTZGY&cx=c&_slc=1148.1 KiB
www.googletagmanager.com/gtag/js?id=G-QM5HX8W79Z&cx=c&_slc=1147.6 KiB
www.googletagmanager.com/gtm.js?id=GTM-WPVF7X145.5 KiB
cdn.pool.st-hatena.com/valve/valve.js141.9 KiB
/s/notosansjp/v56/-F62fjtqLzI2JPCgQBnw7HFowwII2lcnk-AFfrg...77.2 KiB
/s/notosansjp/v56/-F62fjtqLzI2JPCgQBnw7HFowwII2lcnk-AFfrg...74.2 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js73.1 KiB
/image/scale/403d512268808af0493dce4e4103a56ba9bd84cf/enl...71.4 KiB

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

●Layout shift culprits
●Optimize DOM size
●Font display
●Optimize viewport for mobile
●Minify JavaScript
●User Timing marks and measures 14 user timings
●JavaScript execution time 0.6 s
●Minimizes main-thread work 1.8 s
●Avoid long main-thread tasks 7 long tasks found
●Image elements have explicit `width` and `height`
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 260 ms
●Server Backend Latencies 230 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 280 ms
●Avoid large layout shifts 2 layout shifts found
○INP breakdown
○Avoid non-composited animations
84

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.

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
ログイン header.Header_header__3Z-q0 > ul.Header_menu__2dtDj > li > a.Header_signin__1oGiB
はてなIDを作る header.Header_header__3Z-q0 > ul.Header_menu__2dtDj > li > a.Header_signup__3ds0U
はてなIDを作る(無料) div.Layout_container__21Rhq > div.Introduction_introduction__1eH1_ > div.Introduction_wrapper__2DGNR > a.Introduction_signup__qyLDl
(無料) div.Introduction_introduction__1eH1_ > div.Introduction_wrapper__2DGNR > a.Introduction_signup__qyLDl > span
17 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
shonenjumpplus.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
91 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
shonenjumpplus.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
72 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.nintendo.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
28 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.47news.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
79 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
togetter.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
64 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.apple.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
11 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
nyosegawa.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
86 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
bunshun.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
12 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260421194536 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
84 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
forest.watch.impress.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
218 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
news.web.nhk li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
129 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
to-ti.in li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
49 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.bbc.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
258 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.bengo4.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
39 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
dragons.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
101 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
togetter.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
71 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
type.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
40 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
rollingstonejapan.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
62 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.afpbb.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
105 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.tokyo-np.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
73 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
note.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
72 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
posfie.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
207 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.cnn.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
44 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.casio.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
174 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
av.watch.impress.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
108 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.sankei.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
177 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260421150528 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
154 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.itmedia.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
84 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
posfie.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
40 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
touda.tohoku.ac.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
id:jun-jun1965 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
162 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
www.famitsu.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
214 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
togetter.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
61 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
games.toei.co.jp li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
36 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
anond:20260421063716 li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
208 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
note.com li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
id:toshikane li.EntryList_entryListItem__1vXtf > article > div.Cite_Cite__2eXKo > a.Cite_citation__1gpUp
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ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ
li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.Entry_thumbnail__x1kmi
ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ ul.EntryList_entryList__3CrI0 > li.EntryList_entryListItem__1vXtf > article > a.Service_service__3GJZQ

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
79 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
11 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
86 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
84 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
218 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
49 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
258 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
39 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
101 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
71 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
40 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
62 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
105 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
73 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
72 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
207 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
174 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
108 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
154 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
84 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
162 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
214 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
208 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
218 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
234 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
224 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
459 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
263 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
2 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
21 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
152 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
2 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3
2 users li.EntryList_entryListItem__1vXtf > article > div.Entry_entry__qxjrw > a.BookmarkCount_count__3_Ta3

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-*]` attributes match their 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
●Image elements have `[alt]` attributes
●Form elements have associated labels
●ARIA attributes are used as specified for the element's role
●Elements use only permitted ARIA attributes
●`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
●Definition list items are wrapped in `<dl>` elements
●Document has a `<title>` element
●`<frame>` or `<iframe>` elements have a title
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●No element has a `[tabindex]` value greater than 0
●Heading elements appear in a sequentially-descending order
●Deprecated ARIA roles were not used
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○`[aria-hidden="true"]` elements do not contain focusable descendents
○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
○Buttons have an accessible name
○The page contains a heading, skip link, or landmark region
○ARIA IDs are unique
○No form fields have multiple labels
○`<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.
○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.
○Elements with visible text labels have matching accessible names.
○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.
62

Best Practices

Trust and Safety

All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more about HTTPS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Insecure URLRequest Resolution
www.hatena.ne.jp/Allowed

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 / WarningSource
Topics
cdn.pool.st-hatena.com/valve/valve.js line 1, col 336

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
www.hatena.ne.jp/_next/static/chunks/pages/index-abdab3dd89b4e3023f85.js
●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
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
100

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.

○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
●robots.txt is valid
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

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