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Lighthouse Mobile

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

Audit breakdown by category with detailed findings.

25

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.

RequestCache TTLTransfer Size
html-load.cc/script/d3d3Lmh1ZmZwb3N0LmNvbQ.js300.0 s129.8 KiB
widgets.outbrain.com/outbrain.js14500.0 s109.8 KiB
client.aps.amazon-adsystem.com/publisher.js3600.0 s82.5 KiB
/asset/69e7c11e1400003dddecab9c.jpeg?cache=6oUef02IbV&ops...86400.0 s159.2 KiB
cdn.cookielaw.org/scripttemplates/202601.1.0/otBannerSdk.js86400.0 s127.0 KiB
cdn.confiant-integrations.net/33CYnLkVKFSMCUwC1MMcR-L4HeU/video/config.js1100.0 s55.5 KiB
/asset/69e6d9bb180000a3595b3124.png?cache=TqUzp8GkFT&ops=...86400.0 s79.2 KiB
cdn.id5-sync.com/api/1.0/id5-api.js3600.0 s34.4 KiB
scripts.atmtd.com/js/prebid_analytics/prebid_analytics.js120.0 s25.7 KiB
cdn.binsiad.com/ins-ag/ins-ag.min.js?e=23600.0 s26.3 KiB
secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js900.0 s21.7 KiB
modulous.huffpost.com/2026/04/08/1775660194-bundle-hp-gam-e133aa5.min.js86400.0 s37.1 KiB
pagead2.googlesyndication.com/omsdk/releases/live/omweb-v1.js3600.0 s15.4 KiB
/asset/69e7882d140000dbc9ecab0b.jpeg?cache=Vs4w2INTU4&ops...86400.0 s28.4 KiB
tagan.adlightning.com/buzzfeed/op.js3600.0 s11.4 KiB
edge.atmtd.com/pub/mgnt/afihbs.js0.0 ms8.9 KiB
cdn.cookielaw.org/logos/static/ot_company_logo.png86400.0 s19.1 KiB
/asset/69e7158818000092695b3182.jpeg?cache=T0FqCm7wye&ops...86400.0 s17.1 KiB
static.criteo.net/js/ld/publishertag.ids.js86400.0 s14.8 KiB
/asset/69e7bdac1800008c7b5b32bb.jpeg?cache=4C5tr4q49I&ops...86400.0 s13.8 KiB
/asset/69e75c69180000c9705b31dd.jpeg?cache=llfmroy8KC&ops...86400.0 s13.5 KiB
tags.crwdcntrl.net/lt/c/16576/sync.min.js86400.0 s13.1 KiB
eus.rubiconproject.com/usync.js68654.0 s11.5 KiB
widgets.outbrain.com/gnr/carousel/carousel.js?e=214400.0 s6.8 KiB
/asset/69e7b10e180000b06e5b32ae.jpeg?cache=BUIwUjkjLj&ops...86400.0 s10.9 KiB
/asset/69e75f67180000b06e5b31e0.jpeg?cache=tXfdI7TqHj&ops...86400.0 s10.8 KiB
/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312...86400.0 s10.7 KiB
/asset/69e7980414000054cfecab24.jpeg?cache=GE1FKlMtwX&ops...86400.0 s9.6 KiB
/asset/69e673cd18000049585b306a.jpeg?cache=WSNxIwYiJ9&ops...86400.0 s9.5 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js86400.0 s9.1 KiB
/asset/69e79a3a180000a5775b3264.jpeg?cache=QlvAwloovz&ops...86400.0 s8.9 KiB
sb.scorecardresearch.com/internal-cs/default/beacon-and.js86400.0 s7.8 KiB
/asset/69e75b151400007abbecaac0.jpeg?cache=MNo7ptlrOJ&ops...86400.0 s7.6 KiB
/asset/69e75f27140000c0bcecaac6.jpeg?ops=320_180&format=webp86400.0 s7.4 KiB
cdn.browsiprod.com/web-vitals/web-vitals-4.2.3.js0.0 ms2.8 KiB
/asset/69e769c3140000dcbfecaaca.jpeg?cache=nL1m41Unps&ops...86400.0 s6.9 KiB
cdn.cookielaw.org/opt-out/otCCPAiab.js86400.0 s6.1 KiB
/asset/69e79d3214000031d1ecab33.jpeg?cache=54JycJvOdE&ops...86400.0 s6.1 KiB
config.aps.amazon-adsystem.com/configs/37133600.0 s2.2 KiB
/99de230f-1e50-4e62-a2de-fd9a4ff96eed/launchpad-liveramp.js0.0 ms1.6 KiB
cdn.cookielaw.org/logos/static/powered_by_logo.svg86400.0 s2.7 KiB
id5-sync.com/c/490/0/8/1.gif?gdpr=0&gdpr_consent=&us_privacy=0.0 ms1.0 KiB
/s/164/9.gif?puid=U8wH52ncHIpdHqY2BS4pFZjR9gO2XhiqI9hE0DU...0.0 ms916 B
/nanoWidget/8dace30083b_2026-04-20/module/publisherIDsCol...14400.0 s983 B
widgets.outbrainimg.com/images/widgetIcons/achoice.svg14400.0 s951 B
/api/adx/cm/pixel-outbrain?obUid=U8wH52ncHIpdHqY2BS4pFZjR...0.0 ms621 B
/cookie?redirect_url=https%3A%2F%2Fsync.outbrain.com%2Fco...0.0 ms520 B
sync.cootlogix.com/api/cookie?partnerId=rubiconut&userId=MO8ZEPE9-R-INVU0.0 ms496 B
/cookie?redirect_url=https%3A%2F%2Felb.the-ozone-project....0.0 ms475 B
/cookie?redirect_url=https%3A%2F%2Felb.the-ozone-project....0.0 ms474 B
modulous.huffpost.com/2025/02/17/1739805190-amazon_aps.js86400.0 s1.1 KiB
/match/bounce/?bid=1mpn7m0&uid=U8wH52ncHIpdHqY2BS4pFZjR9g...0.0 ms354 B
/obuid?uuid=U8wH52ncHIpdHqY2BS4pFZjR9gO2XhiqI9hE0DUNVxlCT...0.0 ms352 B
widget-pixels.outbrain.com/widget/detect/px.gif?ch=114400.0 s389 B
/track/cmb/generic?ttd_pid=icco6m5&ttd_tpi=1&gdpr=0&gdpr_...0.0 ms255 B
/track/cmb/generic?ttd_pid=sirnsvg&ttd_tpi=1&gdpr=0&gdpr_...0.0 ms254 B
/track/cmb/generic?ttd_pid=u40cpuw&ttd_tpi=1&gdpr=0&gdpr_...0.0 ms254 B
/track/cmb/generic?ttd_pid=u40cpuw&ttd_tpi=1&gdpr=0&gdpr_...0.0 ms253 B
ad-delivery.net/px.gif?ch=286400.0 s605 B
geolocation.onetrust.com/cookieconsentpub/v1/geo/location/dnsfeed0.0 ms235 B
/cm-notify?pi=outbrain&obUid=U8wH52ncHIpdHqY2BS4pFZjR9gO2...0.0 ms124 B
/cm-notify?pi=uk-ozone-pbs&gdpr=0&gdpr_consent=&us_privac...0.0 ms124 B
/usync/prbds2s?gdpr=0&gdpr_consent=&us_privacy=1---&r=htt...0.0 ms68 B
ad-delivery.net/px.gif?ch=186400.0 s109 B
/AdServer/ImgSync?p=160065&gdpr=0&gdpr_consent=&pu=https%...0.0 ms40 B
/p.css?s=1&k=sqj4onc&ht=tk&f=14715.14717.14718.14719.1472...604800.0 s172 B
/sync?redirect=https%3A%2F%2Fsync.outbrain.com%2Fcookie-s...0.0 ms17 B
cdn.id5-sync.com/api/1.0/id5-api.js3600.0 s0 B
pagead2.googlesyndication.com/omsdk/releases/live/omweb-v1.js3600.0 s0 B
pagead2.googlesyndication.com/omsdk/releases/live/omweb-v1.js3600.0 s0 B
/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312...86400.0 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:171.215 source:map[column:62 line:608 type:source-location url:https://widgets.outbrain.com/outbrain.js urlProvider:network]] map[reflowTime:10.763 source:map[column:263 line:264 type:source-location url:https://widgets.outbrain.com/outbrain.js urlProvider:network]] map[reflowTime:6.297 source:map[column:57 line:679 type:source-location url:https://widgets.outbrain.com/outbrain.js urlProvider:network]] map[reflowTime:5.341 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
div.splash-card > a.splash__headline-image > picture > img.headline-image__img div.splash-card > a.splash__headline-image > picture > img.headline-image__img
/asset/69e7c11e1400003dddecab9c.jpeg?cache=6oUef02IbV&ops...158.6 KiB117.9 KiB
div.card__image > div.card__image__src > picture > img.img-sized__img div.card__image > div.card__image__src > picture > img.img-sized__img
/asset/69e6d9bb180000a3595b3124.png?cache=TqUzp8GkFT&ops=...78.9 KiB69.5 KiB
div.card__image > div.card__image__src > picture > img.img-sized__img div.card__image > div.card__image__src > picture > img.img-sized__img
/asset/69e7882d140000dbc9ecab0b.jpeg?cache=Vs4w2INTU4&ops...28.1 KiB13.5 KiB
div.card__image > div.card__image__src > picture > img.img-sized__img div.card__image > div.card__image__src > picture > img.img-sized__img
/asset/69e7158818000092695b3182.jpeg?cache=T0FqCm7wye&ops...16.7 KiB7.4 KiB
div.card__image > div.card__image__src > picture > img.img-sized__img div.card__image > div.card__image__src > picture > img.img-sized__img
/asset/69e7bdac1800008c7b5b32bb.jpeg?cache=4C5tr4q49I&ops...13.5 KiB4.2 KiB

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

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.

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: 753 ms
URLTime Spent
huffpost.com/753 ms
www.huffpost.com/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 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: 5.3 s 1.6 MiB
URLTransfer SizeEst Savings
/static-assets/cambria/app/DailyChecklist.32dd6ff0e8bc370...477.5 KiB417.9 KiB
www.huffpost.com/static-assets/cambria/app/Card.b7a9091df135ce2d3d8a.js127.5 KiB114.7 KiB
cds.connatix.com/p/plugins/prebid10.22-2.js163.5 KiB103.8 KiB
/pagead/managed/js/gpt/m202604200101/pubads_impl.js?cb=31...187.7 KiB100.9 KiB
imasdk.googleapis.com/js/sdkloader/ima3.js145.7 KiB96.7 KiB
html-load.cc/script/d3d3Lmh1ZmZwb3N0LmNvbQ.js129.1 KiB83.5 KiB
cdn.cookielaw.org/scripttemplates/202601.1.0/otBannerSdk.js126.9 KiB71.2 KiB
cdn.confiant-integrations.net/video/202603241056/wrap.js125.1 KiB69.4 KiB
cds.connatix.com/p/320936758/player.ads.js95.2 KiB61.6 KiB
widgets.outbrain.com/outbrain.js109.4 KiB53.6 KiB
/p/320936758/player.js?cid=1bf35e8b-3d55-48a6-aef8-0ebfdd...138.6 KiB43.2 KiB
www.huffpost.com/static-assets/cambria/app/Nav.f24625a1756dc856aff1.js47.2 KiB41.5 KiB
micro.rubiconproject.com/prebid/dynamic/13062.js163.0 KiB41.5 KiB
cds.thecontentserver.com/p/320936758/player.hls.js74.8 KiB39.2 KiB
/ats-modules/9618ba18-0248-4b05-b595-3ba690db3025/ats.js74.6 KiB38.5 KiB
www.huffpost.com/static-assets/cambria/app/news.6afa175869590600d0c7.js110.2 KiB36.4 KiB
pagead2.googlesyndication.com/pagead/js/adsbygoogle.js54.1 KiB35.0 KiB
cds.connatix.com/p/320936758/cSyncRemote.js61.1 KiB31.0 KiB
client.aps.amazon-adsystem.com/publisher.js82.1 KiB30.8 KiB
www.huffpost.com/static-assets/cambria/app/LeftNavTop.4580370c2f72f22a50ca.js32.0 KiB30.6 KiB
/static-assets/cambria/app/CampaignToaster.b13e3424340931...86.2 KiB27.0 KiB
securepubads.g.doubleclick.net/tag/js/gpt.js34.3 KiB23.9 KiB
cds.thecontentserver.com/p/320936758/player.renderer.js44.1 KiB22.9 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.huffpost.com/static-assets/cambria/app/news.6afa175869590600d0c7.js5.4 s1.5 s51 ms
/p/320936758/player.js?cid=1bf35e8b-3d55-48a6-aef8-0ebfdd...4.4 s3.8 s81 ms
Unattributable3.8 s1.3 s0.0 ms
micro.rubiconproject.com/prebid/dynamic/13062.js1.8 s1.7 s64 ms
www.huffpost.com/1.4 s380 ms28 ms
/pagead/managed/js/gpt/m202604200101/pubads_impl.js?cb=31...1.3 s944 ms88 ms
client.aps.amazon-adsystem.com/publisher.js833 ms746 ms49 ms
modulous.huffpost.com/2026/04/08/1775660194-bundle-hp-gam-e133aa5.min.js795 ms752 ms19 ms
imasdk.googleapis.com/js/sdkloader/ima3.js792 ms692 ms68 ms
cds.connatix.com/p/320936758/cSyncRemote.js706 ms601 ms35 ms
cdn.confiant-integrations.net/video/202603241056/wrap.js671 ms563 ms48 ms
tagan.adlightning.com/buzzfeed/op.js620 ms530 ms4.1 ms
cds.thecontentserver.com/p/320936758/player.lit.ui.js566 ms448 ms24 ms
cds.connatix.com/p/plugins/prebid10.22-2.js502 ms345 ms140 ms
/Multivac/api/get?url=https%3A%2F%2Fwww.huffpost.com%2F&i...480 ms182 ms4.8 ms
cds.thecontentserver.com/p/320936758/player.hls.js426 ms263 ms39 ms
cdn.id5-sync.com/api/1.0/id5-api.js375 ms265 ms52 ms
widgets.outbrain.com/outbrain.js370 ms207 ms43 ms
pagead2.googlesyndication.com/omsdk/releases/live/omweb-v1.js347 ms305 ms19 ms
html-load.cc/script/d3d3Lmh1ZmZwb3N0LmNvbQ.js328 ms264 ms60 ms
/Multivac/api/get?url=https%3A%2F%2Fwww.huffpost.com%2F&i...314 ms49 ms5.5 ms
cdn.cookielaw.org/scripttemplates/202601.1.0/otBannerSdk.js301 ms210 ms70 ms
cds.connatix.com/p/320936758/player.user.manager.service.js293 ms277 ms7.8 ms
tagan.adlightning.com/buzzfeed/bl-0d6ee0c-ef4c48ed.js277 ms234 ms41 ms
/Multivac/api/get?url=https%3A%2F%2Fwww.huffpost.com%2F&i...276 ms51 ms3.2 ms
tagan.adlightning.com/buzzfeed/b-cf61e16-1c40a97b.js232 ms208 ms11 ms
widgets.outbrain.com/gnr/carousel/carousel.js?e=2212 ms63 ms3.8 ms
securepubads.g.doubleclick.net/tag/js/gpt.js205 ms153 ms49 ms
config.aps.amazon-adsystem.com/configs/3713183 ms175 ms6.5 ms
cdn.cookielaw.org/opt-out/otCCPAiab.js163 ms66 ms4.0 ms
/ats-modules/9618ba18-0248-4b05-b595-3ba690db3025/ats.js159 ms126 ms32 ms
pagead2.googlesyndication.com/pagead/js/adsbygoogle.js144 ms121 ms22 ms
/static-assets/cambria/app/CampaignToaster.b13e3424340931...139 ms101 ms37 ms
/static-assets/cambria/app/DailyChecklist.32dd6ff0e8bc370...134 ms34 ms99 ms
ep2.adtrafficquality.google/sodar/sodar2.js115 ms106 ms3.4 ms
scripts.atmtd.com/js/prebid_analytics/prebid_analytics.js115 ms93 ms17 ms
cds.connatix.com/p/plugins/connatix.omsdk.service-web-1.4.13-compressed.js114 ms102 ms5.6 ms
static.criteo.net/js/ld/publishertag.ids.js92 ms84 ms6.9 ms
cdn.binsiad.com/ins-ag/ins-ag.min.js?e=291 ms68 ms11 ms
cds.connatix.com/p/320936758/player.ads.js87 ms39 ms47 ms
cds.thecontentserver.com/p/320936758/player.renderer.js83 ms40 ms22 ms
cdn.cookielaw.org/scripttemplates/otSDKStub.js82 ms66 ms4.5 ms
www.huffpost.com/static-assets/cambria/app/Card.b7a9091df135ce2d3d8a.js80 ms27 ms52 ms
secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js77 ms67 ms9.6 ms
launchpad.privacymanager.io/latest/launchpad.bundle.js74 ms40 ms32 ms
pub.doubleverify.com/signals/pub.js71 ms61 ms7.7 ms
cdn.confiant-integrations.net/33CYnLkVKFSMCUwC1MMcR-L4HeU/video/config.js59 ms25 ms33 ms
tags.crwdcntrl.net/lt/c/16576/sync.min.js58 ms45 ms6.5 ms
/99de230f-1e50-4e62-a2de-fd9a4ff96eed/launchpad-liveramp.js54 ms51 ms0.7 ms
oa.openxcdn.net/esp.js53 ms48 ms3.6 ms
s0.2mdn.net/instream/video/client.js52 ms24 ms27 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 Evaluation18.9 s
Other6.7 s
Style & Layout2.0 s
Script Parsing & Compilation1.7 s
Rendering496 ms
Parse HTML & CSS482 ms
Garbage Collection477 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 reasonFailure 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 16.8 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: 0.0 ms 33.0 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
div.splash-card > a.splash__headline-image > picture > img.headline-image__img div.splash-card > a.splash__headline-image > picture > img.headline-image__img
/asset/69e7c11e1400003dddecab9c.jpeg?cache=6oUef02IbV&ops...

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

●Layout shift culprits
●Optimize DOM size
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●User Timing marks and measures 6 user timings
●Avoid long main-thread tasks 20 long tasks found
●Network Requests
●Network Round Trip Times 300 ms
●Server Backend Latencies 800 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 0 ms
○INP breakdown
○LCP request discovery
○Avoid non-composited animations
○Avoid large layout shifts
80

Accessibility

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

ARIA

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.cnx-button div.cnx-button

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

Names and labels

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.nav__content > div.nav__left > div.notification-center > button.notification-center__button div.nav__content > div.nav__left > div.notification-center > button.notification-center__button

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div#zone-main > section#splash > div.splash-card > a.splash__headline-image div#zone-main > section#splash > div.splash-card > a.splash__headline-image

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.

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
SUPPORT US div.nav__right__container > div.nav__right__profile__container > a.nav__right__support-button > span.support-button__text
2011 aside.on-this-day > div.on-this-day__entries > div.on-this-day__entry > div.on-this-day__year
2017 aside.on-this-day > div.on-this-day__entries > div.on-this-day__entry > div.on-this-day__year
2024 aside.on-this-day > div.on-this-day__entries > div.on-this-day__entry > div.on-this-day__year
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link
div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link div.site-footer__wrapper > div.site-footer__content > div.site-footer__links > a.site-footer__link

These are opportunities to improve the legibility of your content.

Best practices

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
What is Outbrain? div.ob-widget > div.ob-widget-footer > div.ob_what > a
What is Outbrain? div.ob-widget > div.ob-widget-footer > div.ob_what > a

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
●Image elements have `[alt]` attributes
●Form elements have associated labels
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●ARIA attributes are used as specified for the element's role
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●No element has a `[tabindex]` value greater than 0
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
●`<video>` elements contain a `<track>` element with `[kind="captions"]`
●Identical links have the same purpose.
○`[accesskey]` values are unique
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements with 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
○`<frame>` or `<iframe>` elements have a title
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
○List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○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.
77

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 / WarningSource
Topics

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.

SourceDescription
Failed to load resource: the server responded with a status of 404 (Not Found)
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
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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