Lighthouse Mobile

· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Detailed Report

Audit breakdown by category with detailed findings.

Performance

Insights

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Request	Cache TTL	Transfer Size
connect.facebook.net/en_US/fbevents.js	1200.0 s	96.4 KiB
connect.facebook.net/en_US/bundle/sdk.js/	1200.0 s	77.7 KiB
cdn.sprig.com/dependencies/record.min.js	0.0 ms	57.0 KiB
cdn.sprig.com/dependencies/index-DZhnjzQs-2.43.0.js	0.0 ms	44.6 KiB
/signals/config/1499900856960507?v=2.9.298&r=stable&domai...	1200.0 s	46.2 KiB
cdn.sprig.com/shim.js?id=kgEKxiY_4yxQ	0.0 ms	29.5 KiB
static.rakuten.com/assets/msdk/prod/static/chunks/remoteEntry.js?t=1776363115047	60.0 s	24.0 KiB
cdn.sprig.com/dependencies/tui-2.43.0.js	0.0 ms	22.3 KiB
www.redditstatic.com/ads/pixel.js	60.0 s	19.0 KiB
cdn.sprig.com/dependencies/videoPlayer-BV_qt3AP-2.43.0.js	0.0 ms	17.0 KiB
www.google-analytics.com/analytics.js	7200.0 s	20.9 KiB
scripts.clarity.ms/0.8.60-beta/clarity.js	86400.0 s	25.0 KiB
c.amazon-adsystem.com/aat/amzn.js	0.0 ms	8.9 KiB
www.datadoghq-browser-agent.com/datadog-logs-v3.js	14400.0 s	12.7 KiB
wsv3cdn.audioeye.com/bootstrap.js?h=610cf56a24ab61ca4b7514242d3be297	3600.0 s	9.3 KiB
s.yimg.com/wi/ytc.js	0.0 ms	7.4 KiB
/v2/scripts/loader.js?h=610cf56a24ab61ca4b7514242d3be297&...	60.0 s	6.7 KiB
intl.rakuten-static.com/b/com/rat/js/rat-main-intl.js	86400.0 s	15.7 KiB
js.rmtag.com/114895.ct.js?v=1	86400.0 s	14.3 KiB
intl.rakuten-static.com/b/com/rat/js/ral-1.10.1.js	86400.0 s	11.7 KiB
connect.facebook.net/en_US/sdk.js	1200.0 s	5.1 KiB
ct.pinterest.com/static/ct/token_create.js	7200.0 s	3.9 KiB
cdn.veritonic.com/static/vpr.min.js	0.0 ms	2.7 KiB
s.pinimg.com/ct/lib/main.10d2511a.js	1209600.0 s	27.6 KiB
s.pinimg.com/ct/core.js	7200.0 s	2.1 KiB
/?cpkg_none=%7B%22abtest_target%22%3A%7B%22sear564%22%3A%...	0.0 ms	877 B
cdn.sprig.com/sprig-web-view-sdk-v2.43.0.js?t=1776363124789	0.0 ms	828 B
/_r?sdk=web2.85.0&branch_key=key_live_nhRF9ZTJhyZsHIsSdN1...	0.0 ms	670 B
/rp.gif?ts=1776363116008&id=t2_auqa0xqw&event=PageVisit&m...	0.0 ms	666 B
wsmcdn.audioeye.com/aem.js	120.0 s	669 B
/static-scripts/sites/610cf56a24ab61ca4b7514242d3be297/ac...	60.0 s	405 B
/cs?ns=ebates&uid3=79144782250296517539857877490095295329...	0.0 ms	263 B
/track/cmb/google?g_uuid=&gdpr=0&gdpr_consent=&ttd_tdid=d...	0.0 ms	254 B
/tr/?id=1499900856960507&ev=PageView&dl=https%3A%2F%2Fwww...	0.0 ms	16 B
/tr/?id=1499900856960507&ev=ViewContent&dl=https%3A%2F%2F...	0.0 ms	16 B
/v2/scripts/loader.js?h=610cf56a24ab61ca4b7514242d3be297&...	60.0 s	0 B
/static-scripts/sites/610cf56a24ab61ca4b7514242d3be297/ac...	60.0 s	0 B

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

items: [map[node:map[type:text value:Total] score:0.000541] map[node:map[boundingRect:map[bottom:43 height:25 left:285 right:376 top:18 width:91] lhId:page-10-BUTTON nodeLabel:Join for Free path:1,HTML,1,BODY,2,DIV,4,DIV,0,DIV,0,DIV,0,HEADER,0,DIV,1,DIV,0,BUTTON selector:header.css-k008qs > div.css-kictd8 > div.css-84nudp > button#join_for_free_header_button snippet:<button type="button" class="chakra-button css-ohuwkz" id="join_for_free_header_button"> type:node] score:0.000541]]

items: [map[node:map[type:text value:Total] score:2.2e-05] map[score:2.2e-05]]

items: [map[node:map[type:text value:Total] score:0.5453479999999999] map[node:map[boundingRect:map[bottom:440 height:433 left:0 right:412 top:8 width:412] lhId:page-0-DIV nodeLabel:What, if anything, is holding you back from signing up for Rakuten? I’m not sur… path:1,HTML,1,BODY,0,DIV,0,DIV,0,DIV selector:body.ae-iframe-body > div#ul-app > div.ul-app__container > div.ul-card__container--mobile snippet:<div class="ul-card__container--mobile ul-card__container ul-card__container" style="border-color: rgb(133, 41, 204);"> type:node] score:0.3548] map[node:map[boundingRect:map[bottom:823 height:440 left:0 right:412 top:383 width:412] lhId:page-12-IFRAME nodeLabel:body.chakra-ui-light > div.ul-container > iframe#ul-frame path:1,HTML,1,BODY,45,DIV,0,IFRAME selector:body.chakra-ui-light > div.ul-container > iframe#ul-frame snippet:<iframe id="ul-frame" style="position: fixed; bottom: 0px; right: 0px; border: 0px;"> type:node] score:0.190548]]

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

items: [map[reflowTime:97.245 source:map[column:1836 line:17 type:source-location url:https://static.rakuten.com/assets/ac/_next/static/chunks/framework.da11f85a3fded98a.js urlProvider:network]]]

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

items: [map[reflowTime:66.741 source:map[column:8002 line:0 type:source-location url:https://static.rakuten.com/assets/ac/_next/static/chunks/6107.a479bf5a4a2f081a.js urlProvider:network]] map[reflowTime:1.381 source:map[column:4451 line:0 type:source-location url:https://static.rakuten.com/assets/ac/_next/static/chunks/6107.a479bf5a4a2f081a.js urlProvider:network]] map[reflowTime:22.69 source:map[column:568008 line:60 type:source-location url:https://static.rakuten.com/assets/ac/_next/static/chunks/pages/_app-3d08c9ea0cf0791c.js urlProvider:network]] map[reflowTime:8.554 source:map[column:48931 line:0 type:source-location url:https://static.rakuten.com/assets/ac/_next/static/chunks/3424-745a98fafda91817.js urlProvider:network]] map[reflowTime:3.984 source:map[column:134631 line:0 type:source-location url:https://static.rakuten.com/assets/ac/_next/static/chunks/1468-fe0964eaede6b580.js urlProvider:network]] map[reflowTime:44.536 source:map[type:text value:[unattributed]]] map[reflowTime:20.648 source:map[column:32530 line:1 type:source-location url:https://wsv3cdn.audioeye.com/static-scripts/m/audioeye-scanner-esm/v11.0.43/audioeye-scanner-esm.js urlProvider:network]] map[reflowTime:25.638 source:map[column:23219 line:1 type:source-location url:https://scripts.clarity.ms/0.8.60-beta/clarity.js urlProvider:network]]]

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Resource Size	Est Savings
Save with Rakuten coupons and Cash Back `div.css-0 > div.css-myufwv > img.chakra-image`	/img/media/dls/override/1771895466343/lifestyle-image-din...	67.8 KiB	62.3 KiB
Save with Rakuten coupons and Cash Back `div.css-0 > div.css-myufwv > img.chakra-image`	/img/media/dls/override/1771895135948/lifestyle-image-onl...	57.2 KiB	52.5 KiB
Save with Rakuten coupons and Cash Back `div.css-0 > div.css-myufwv > img.chakra-image`	/img/media/dls/override/1771895987718/lifestyle-image-ins...	42.4 KiB	39.0 KiB
Save with Rakuten coupons and Cash Back `div.css-0 > div.css-myufwv > img.chakra-image`	static.rakuten.com/img/media/dls/override/1771895745288/lifestyle-image.jpg	41.3 KiB	37.9 KiB
Save with Rakuten coupons and Cash Back `div.css-0 > div.css-4se6yj > img.chakra-image`	static.rakuten.com/img/media/dls/override/1771895747294/product-image-travel.jpg	19.4 KiB	18.2 KiB
Save with Rakuten coupons and Cash Back `div.css-0 > div.css-4se6yj > img.chakra-image`	/img/media/dls/override/1771895989708/product-image-insto...	12.8 KiB	12.0 KiB
Save with Rakuten coupons and Cash Back `div.css-0 > div.css-4se6yj > img.chakra-image`	static.rakuten.com/img/media/dls/override/1771895468393/product-image-dining.jpg	12.4 KiB	11.7 KiB
Save with Rakuten coupons and Cash Back `div.css-0 > div.css-4se6yj > img.chakra-image`	static.rakuten.com/img/media/dls/override/1771895137952/product-image-online.jpg	9.9 KiB	9.3 KiB
App Store `div.css-19e7tyi > div.css-16q3jpk > div.css-1mmlg0j > img.chakra-image`	static.rakuten.com/img/media/dls/override/1771895129920/icon-appstore.png	7.3 KiB	7.2 KiB

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-9-IMG

nodeLabel: Save with Rakuten coupons and Cash Back

path: 2,DIV,0,IMG

selector: div.css-0 > div.css-1f6dd84 > img.chakra-image

snippet: <img alt="Save with Rakuten coupons and Cash Back" class="chakra-image css-r91awh" src="https://static.rakuten.com/img/media/dls/override/1771895133873/pattern-on…">

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.

More than 4 preconnect connections were found. These should be used sparingly and only to the most important origins.

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

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

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

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 821 ms

URL	Time Spent
rakuten.com/	821 ms
www.rakuten.com/	0.0 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Element	Layout shift score
	0.355
body.chakra-ui-light > div.ul-container > iframe#ul-frame `body.chakra-ui-light > div.ul-container > iframe#ul-frame`	0.191
Join for Free `header.css-k008qs > div.css-kictd8 > div.css-84nudp > button#join_for_free_header_button`	0.001
	0.000

Diagnostics

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

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 3.1 s 1.2 MiB

URL	Transfer Size	Est Savings
static.rakuten.com/assets/ac/_next/static/chunks/pages/_app-3d08c9ea0cf0791c.js	323.4 KiB	183.3 KiB
static.rakuten.com/assets/ac/_next/static/chunks/3323.e2f0e0a4f02cb517.js	240.4 KiB	165.7 KiB
accounts.google.com/gsi/client	95.3 KiB	71.0 KiB
www.googletagmanager.com/gtag/js?id=G-EYM541FD0J&cx=c&_slc=1	163.7 KiB	70.5 KiB
wsv3cdn.audioeye.com/static-scripts/v2/2026-04-08/startup.bundle.js	123.5 KiB	70.3 KiB
wsv3cdn.audioeye.com/static-scripts/v2/2026-04-08/startup.bundle.js	123.5 KiB	63.8 KiB
www.googletagmanager.com/gtag/destination?id=DC-11382473&cx=c&gtm=4e64f0	129.2 KiB	61.7 KiB
www.googletagmanager.com/gtm.js?id=GTM-NDCS3F	176.9 KiB	59.6 KiB
www.googletagmanager.com/gtag/js?id=G-1TWBFMXGYQ&cx=c&gtm=4e64f0	174.3 KiB	58.4 KiB
connect.facebook.net/en_US/bundle/sdk.js/	77.6 KiB	49.9 KiB
/static-scripts/m/audioeye-scanner-esm/v11.0.43/audioeye-...	80.4 KiB	42.7 KiB
static.rakuten.com/assets/ac/_next/static/chunks/3424-745a98fafda91817.js	38.3 KiB	38.0 KiB
cdn.sprig.com/dependencies/record.min.js	56.6 KiB	37.1 KiB
/static-scripts/m/audioeye-scanner-esm/v11.0.43/audioeye-...	80.4 KiB	36.0 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	32.1 KiB
static.rakuten.com/assets/ac/_next/static/chunks/6107.a479bf5a4a2f081a.js	50.1 KiB	28.9 KiB
static.rakuten.com/assets/ac/_next/static/chunks/14a6aa13.f5f174d0800d49c5.js	39.1 KiB	28.9 KiB
static.rakuten.com/assets/ac/_next/static/chunks/8838-eed97f3c6eeafb38.js	33.5 KiB	26.8 KiB
static.rakuten.com/assets/ac/_next/static/chunks/main-b1b7a9bc34dbf47a.js	41.8 KiB	23.6 KiB
static.rakuten.com/assets/ac/_next/static/chunks/6715.3e48dbbd213e3faf.js	20.9 KiB	20.7 KiB
static.rakuten.com/assets/ac/_next/static/chunks/1468-fe0964eaede6b580.js	37.6 KiB	20.6 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Total CPU Time	Script Evaluation	Script Parse
static.rakuten.com/assets/ac/_next/static/chunks/1468-fe0964eaede6b580.js	16.2 s	7.9 s	16 ms
static.rakuten.com/assets/ac/_next/static/chunks/framework.da11f85a3fded98a.js	7.9 s	7.1 s	13 ms
/static-scripts/m/audioeye-scanner-esm/v11.0.43/audioeye-...	5.5 s	5.3 s	1.5 ms
Unattributable	3.8 s	418 ms	0.0 ms
www.redditstatic.com/ads/pixel.js	3.3 s	3.2 s	18 ms
cdn.sprig.com/dependencies/record.min.js	3.3 s	3.1 s	1.5 ms
www.rakuten.com/	2.7 s	5.3 ms	3.1 ms
static.rakuten.com/assets/ac/_next/static/chunks/3424-745a98fafda91817.js	2.5 s	2.0 s	36 ms
scripts.clarity.ms/0.8.60-beta/clarity.js	1.3 s	1.2 s	7.4 ms
cdn.sprig.com/shim.js?id=kgEKxiY_4yxQ	1.2 s	927 ms	23 ms
www.googletagmanager.com/gtm.js?id=GTM-NDCS3F	972 ms	783 ms	80 ms
www.datadoghq-browser-agent.com/datadog-logs-v3.js	886 ms	655 ms	3.1 ms
www.googletagmanager.com/gtag/js?id=G-1TWBFMXGYQ&cx=c&gtm=4e64f0	727 ms	574 ms	68 ms
wsv3cdn.audioeye.com/static-scripts/v2/2026-04-08/startup.bundle.js	717 ms	557 ms	140 ms
static.rakuten.com/assets/ac/_next/static/chunks/3323.e2f0e0a4f02cb517.js	714 ms	623 ms	90 ms
static.rakuten.com/assets/ac/_next/static/chunks/pages/_app-3d08c9ea0cf0791c.js	502 ms	326 ms	136 ms
www.googletagmanager.com/gtag/js?id=G-EYM541FD0J&cx=c&_slc=1	334 ms	281 ms	49 ms
/signals/config/1499900856960507?v=2.9.298&r=stable&domai...	286 ms	260 ms	22 ms
www.googletagmanager.com/gtag/destination?id=DC-11382473&cx=c&gtm=4e64f0	258 ms	220 ms	36 ms
static.rakuten.com/assets/ac/_next/static/chunks/main-b1b7a9bc34dbf47a.js	227 ms	205 ms	14 ms
connect.facebook.net/en_US/fbevents.js	218 ms	158 ms	58 ms
wsv3cdn.audioeye.com/static-scripts/v2/2026-04-08/compliance.bundle.js	203 ms	183 ms	14 ms
/v2/scripts/loader.js?h=610cf56a24ab61ca4b7514242d3be297&...	186 ms	162 ms	8.2 ms
static.rakuten.com/assets/msdk/prod/static/chunks/411-07037657bad6b5d7.js	172 ms	129 ms	1.3 ms
www.googleadservices.com/pagead/conversion.js	160 ms	96 ms	58 ms
static.rakuten.com/assets/ac/_next/static/chunks/2926b636.08481ed16b3df5f4.js	142 ms	68 ms	28 ms
s.pinimg.com/ct/lib/main.10d2511a.js	137 ms	120 ms	13 ms
/assets/ac/_next/static/chunks/schemaFilter.9dcbb79e21e33...	119 ms	116 ms	0.7 ms
connect.facebook.net/en_US/bundle/sdk.js/	115 ms	89 ms	25 ms
intl.rakuten-static.com/b/com/rat/js/ral-1.10.1.js	111 ms	94 ms	8.5 ms
wsv3cdn.audioeye.com/static-scripts/v2/2026-04-08/launcher.bundle.js	103 ms	79 ms	12 ms
js.rmtag.com/114895.ct.js?v=1	103 ms	92 ms	10 ms
/profile/visit/final/js?dtm_token_dc=AQAL1PxFuyNVTgET8EiP...	81 ms	59 ms	9.7 ms
wsv3cdn.audioeye.com/static-scripts/v2/2026-04-08/tangoEngine.bundle.js	79 ms	26 ms	51 ms
static.rakuten.com/assets/msdk/prod/static/chunks/remoteEntry.js?t=1776363115047	77 ms	63 ms	12 ms
www.google-analytics.com/analytics.js	72 ms	57 ms	14 ms
static.rakuten.com/assets/ac/_next/static/chunks/webpack-9d1745088be0aa12.js	65 ms	50 ms	14 ms
accounts.google.com/gsi/client	65 ms	38 ms	26 ms
wsv3cdn.audioeye.com/bootstrap.js?h=610cf56a24ab61ca4b7514242d3be297	63 ms	43 ms	13 ms
static.ads-twitter.com/uwt.js	60 ms	53 ms	4.7 ms
static.rakuten.com/static/js/branch/branch-2.85.0.min.js	57 ms	24 ms	33 ms
/_r?sdk=web2.85.0&branch_key=key_live_nhRF9ZTJhyZsHIsSdN1...	55 ms	54 ms	0.4 ms
cdn.sprig.com/dependencies/index-DZhnjzQs-2.43.0.js	54 ms	50 ms	0.9 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Category	Time Spent
Script Evaluation	38.2 s
Other	11.2 s
Style & Layout	3.1 s
Rendering	1.5 s
Script Parsing & Compilation	1.3 s
Garbage Collection	797 ms
Parse HTML & CSS	387 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reason	Failure type
Pages with cache-control:no-store header cannot enter back/forward cache.	Actionable
Pages whose main resource has cache-control:no-store cannot enter back/forward cache.	Not actionable
Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header.	Not actionable

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 32.0 KiB

URL	Transfer Size	Est Savings
cdn.sprig.com/dependencies/index-DZhnjzQs-2.43.0.js	44.2 KiB	10.7 KiB
cdn.sprig.com/dependencies/tui-2.43.0.js	21.9 KiB	9.1 KiB
intl.rakuten-static.com/b/com/rat/js/rat-main-intl.js	15.5 KiB	3.2 KiB
/profile/visit/final/js?dtm_token_dc=AQAL1PxFuyNVTgET8EiP...	13.1 KiB	3.1 KiB
/profile/visit/js/1_0?dtm_cid=84832&dtm_fid=8932&dtm_prom...	12.7 KiB	3.0 KiB
cdn.sprig.com/dependencies/videoPlayer-BV_qt3AP-2.43.0.js	16.5 KiB	2.9 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size
/npm/@lottiefiles/dotlottie-web@0.70.0/dist/dotlottie-pla...	603.5 KiB
static.rakuten.com/img/media/46319/hiw-dine.lottie	366.9 KiB
static.rakuten.com/assets/ac/_next/static/chunks/pages/_app-3d08c9ea0cf0791c.js	323.8 KiB
static.rakuten.com/assets/ac/_next/static/chunks/3323.e2f0e0a4f02cb517.js	240.7 KiB
www.googletagmanager.com/gtm.js?id=GTM-NDCS3F	177.2 KiB
www.googletagmanager.com/gtag/js?id=G-1TWBFMXGYQ&cx=c&gtm=4e64f0	174.3 KiB
static.rakuten.com/img/media/46319/hiw-extension.lottie	168.1 KiB
www.googletagmanager.com/gtag/js?id=G-EYM541FD0J&cx=c&_slc=1	163.7 KiB
www.googletagmanager.com/gtag/destination?id=DC-11382473&cx=c&gtm=4e64f0	129.2 KiB
wsv3cdn.audioeye.com/static-scripts/v2/2026-04-08/startup.bundle.js	123.7 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL
December 2025 `div.css-93i20 > a.chakra-link > div.css-mbssy4 > img.chakra-image`	static.rakuten.com/assets/ac/_next/static/imgs/blank-1a8815.svg
May 2025 `div.css-93i20 > a.chakra-link > div.css-bco1gb > img.chakra-image`	static.rakuten.com/assets/ac/_next/static/imgs/blank-1a8815.svg
July 2025 `div.css-93i20 > a.chakra-link > div.css-bco1gb > img.chakra-image`	static.rakuten.com/assets/ac/_next/static/imgs/blank-1a8815.svg
July 2025 `div.css-93i20 > a.chakra-link > div.css-bco1gb > img.chakra-image`	static.rakuten.com/assets/ac/_next/static/imgs/blank-1a8815.svg

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

●Optimize DOM size

●Font display

●LCP breakdown

●Modern HTTP

●Render blocking requests

●Optimize viewport for mobile

●Minify CSS

●Reduce unused CSS

●User Timing marks and measures 16 user timings

●Avoid long main-thread tasks 20 long tasks found

●Avoid non-composited animations 3 animated elements found

●Network Requests

●Network Round Trip Times 70 ms

●Server Backend Latencies 190 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 10 ms

○INP breakdown

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. Link text that is discernible improves the experience for users with low vision. Learn how to make links distinguishable.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Privacy Policy `div#accordion-panel-:r7: > div.css-17j1x9m > span.css-18hadnd > a`

These are opportunities to improve the legibility of your content.

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

Informational: a Permissions-Policy directive showing feature -> allowed origins.

Source: MDN Permissions-Policy

Failing Elements
head > meta `head > meta`
head > meta `head > meta`

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

●`[role]` values are valid

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

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

●Buttons have an accessible name

●Image elements have `[alt]` attributes

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

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

●Elements use only permitted ARIA attributes

●Background and foreground colors have a sufficient contrast ratio

●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

●Links have a discernible name

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

●Touch targets have sufficient size and spacing.

●Heading elements appear in a sequentially-descending order

●Skip links are focusable.

●Document has a main landmark.

●Deprecated ARIA roles were not used

○`[accesskey]` values are unique

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

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

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

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

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

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

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

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

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

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

○ARIA IDs are unique

○No form fields have multiple labels

○`<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

○Form elements have associated labels

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

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

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

○`<object>` elements have alternate text

○Select elements have associated label elements.

○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.

○Identical links have the same purpose.

○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.

Best Practices

General

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / Warning	Source
AttributionReporting	www.datadoghq-browser-agent.com/datadog-logs-v3.js
SharedStorage	c.amazon-adsystem.com/aat/amzn.js line 1, col 7935

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Source	Description
www.datadoghq-browser-agent.com/datadog-logs-v3.js	`[GSI_LOGGER]: FedCM get() rejects with NetworkError: Error retrieving a token.`
www.rakuten.com/	`Attestation check for Shared Storage on https://ara.paa-reporting-advertising.amazon failed.`
www.rakuten.com/	`Not signed in with the identity provider.`

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.

●Uses HTTPS

●Avoids third-party cookies

●Allows users to paste into input fields

●Avoids requesting the geolocation permission on page load

●Avoids requesting the notification permission on page load

●Displays images with correct aspect ratio

●Serves images with appropriate resolution

●Page has the HTML doctype

●Properly defines charset

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

●Ensure CSP is effective against XSS attacks

●Use a strong HSTS policy

●Ensure proper origin isolation with COOP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

○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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