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
assets.adobedtm.com/057ba335cefc/edb903aead4f/launch-44ec4d431192.min.js	3600.0 s	104.9 KiB
go.aboutamazon.com/js/forms2/js/forms2.min.js	14400.0 s	67.5 KiB
cdn1.adoberesources.net/alloy/2.27.0/alloy.min.js	3600.0 s	42.4 KiB
amplify.outbrain.com/cp/obtp.js	1200.0 s	18.3 KiB
static.chartbeat.com/js/chartbeat.js	86400.0 s	15.9 KiB
www.aboutamazon.com/web-push/subscriptionV2.js	0.0 ms	6.2 KiB
static.chartbeat.com/js/chartbeat_mab.js	86400.0 s	10.1 KiB

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.

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
gif of football players and immersive ai feature `div.promo-card-v2__media > a > picture > img`	/dims4/default/1ae2f14/2147483647/strip/true/crop/1124x11...	23.4 MiB	23.5 MiB
An AWS chip in the palm of a person's hands. `div.promo-card-v2__media > a > picture > img`	/dims4/default/611538c/2147483647/strip/true/crop/750x750...	10.7 MiB	10.8 MiB
Three kindle devices e-readers displaying creativity notes, statistics, and urb… `div.promo-card-v2__media > a > picture > img`	/dims4/default/7f224a0/2147483647/strip/true/crop/1125x11...	424.7 KiB	421.5 KiB
Amazon One Medical mobile experience on phone displaying GLP-1 weight loss trea… `div.hub-ft-card__image > a > picture > img`	/4f/bf/8e42cab949918365fa96068b858c/amazon-one-medical-gl...	313.8 KiB	301.1 KiB
Three people standing in a forest stream wearing work gear and safety equipment `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/303c438/2147483647/strip/true/crop/1125x11...	150.8 KiB	147.6 KiB
view of rural New York state with the changing fall trees `div.promo-card-v2__media > a > picture > img`	/dims4/default/3228cd0/2147483647/strip/true/crop/1124x11...	140.9 KiB	137.7 KiB
Workers pulling seaweed cultivation ropes from ocean; person planting sapling; … `div.promo-card-v2__media > a > picture > img`	/dims4/default/6634315/2147483647/strip/true/crop/1125x11...	138.2 KiB	135.0 KiB
Amazon employee leads group of visitors on a fulfillment center tour in Kent, W… `div.promo-card-v2__media > a > picture > img`	/dims4/default/3ad59d7/2147483647/strip/true/crop/1434x14...	84.3 KiB	81.1 KiB
Promotional image for No Place To Be Single on Prime Video `div.promo-card-v2__media > a > picture > img`	/dims4/default/64c6d59/2147483647/strip/true/crop/1125x11...	82.0 KiB	78.8 KiB
Smartphones and a Kindle displaying the Kindle reading interface `div.promo-card-v2__media > a > picture > img`	/dims4/default/8d51acd/2147483647/strip/true/crop/1125x11...	80.5 KiB	77.3 KiB
interference `div.promo-card-v2__media > a > picture > img`	/dims4/default/6a1d534/2147483647/strip/true/crop/1080x10...	78.9 KiB	75.7 KiB
Inside the delivery station putting dozens of sustainability strategies to the … `div.promo-card-v2__media > a > picture > img`	/dims4/default/165b506/2147483647/strip/true/crop/1434x14...	70.2 KiB	67.0 KiB
Hands holding smartphone displaying Amazon's one-hour delivery service for ever… `div.promo-card-v2__media > a > picture > img`	/dims4/default/de0b947/2147483647/strip/true/crop/1125x11...	69.8 KiB	66.6 KiB
Paul Vixie in brown jacket standing confidently outside brick building. `div.promo-card-v2__media > a > picture > img`	/dims4/default/b1a5a18/2147483647/strip/true/crop/1125x11...	67.0 KiB	63.8 KiB
Two women preparing food in the kitchen with Alexa on their Amazon Echo Show on… `div.promo-card-v2__media > a > picture > img`	/dims4/default/043cced/2147483647/strip/true/crop/1125x11...	66.6 KiB	63.4 KiB
Alexa plus device in the foreground with the Alexa+ logo in the background at t… `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/44b541e/2147483647/strip/true/crop/1125x11...	66.1 KiB	62.9 KiB
Everything you need to know Prime Video, with images of Fallout, Reacher, Rings… `div.promo-card-v2__media > a > picture > img`	/dims4/default/44c1a75/2147483647/strip/true/crop/1125x11...	64.2 KiB	61.1 KiB
K-dramas on prime video: Confidence Queen; girl with a jumpsuit jumping on guy `div.promo-card-v2__media > a > picture > img`	/dims4/default/90f358e/2147483647/strip/true/crop/1688x16...	62.2 KiB	59.0 KiB
Summer Beauty Event from April 27 to May 10 featuring Hawaiian Tropic after sun… `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/be740b5/2147483647/strip/true/crop/1125x11...	59.8 KiB	56.6 KiB
A customer entering the back of a car with an AWS and Uber logo overlay. `div.promo-card-v2__media > a > picture > img`	/dims4/default/51f4fdf/2147483647/strip/true/crop/1125x11...	59.5 KiB	56.3 KiB
Golf ball with Amazon Leo logo on wooden tee in grass with trees in background `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/c1d1e13/2147483647/strip/true/crop/1125x11...	57.4 KiB	54.3 KiB
Bundle & save streaming bundle brought by Prime Video: Apple TV and Peacock Pre… `div.promo-card-v2__media > a > picture > img`	/dims4/default/d60d1a9/2147483647/strip/true/crop/1080x10...	52.5 KiB	49.7 KiB
Amazon Pet Days promotional banner featuring various pets including a dog, cat,… `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/e6e868d/2147483647/strip/true/crop/1125x11...	43.2 KiB	40.9 KiB
Andy Jassy `div.promo-card-v2__media > a > picture > img`	/dims4/default/c818ed8/2147483647/strip/true/crop/1125x11...	39.0 KiB	36.9 KiB
Amazon Prime for Young Adults offering 5% cash back for young adults `div.promo-card-v2__media > a > picture > img`	/dims4/default/c595d26/2147483647/strip/true/crop/1125x11...	36.2 KiB	34.3 KiB
Andy Jassy `div.promo-card-v2__media > a > picture > img`	/dims4/default/593a4b4/2147483647/strip/true/crop/1125x11...	35.0 KiB	33.1 KiB
Amazon and Anthropic joint logo lockup `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/e059543/2147483647/strip/true/crop/1080x10...	21.9 KiB	20.7 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-3-IMG

nodeLabel: Amazon One Medical mobile experience on phone displaying GLP-1 weight loss trea…

path: 1,HTML,1,BODY,4,SECTION,0,DIV,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,A,0,PICTURE,1,IMG

selector: div.hub-ft-card__image > a > picture > img

snippet: <img alt="Amazon One Medical mobile experience on phone displaying GLP-1 weight loss…" width="543" height="305" src="https://assets.aboutamazon.com/4f/bf/8e42cab949918365fa96068b858c/amazon-o…" pinger-seen="true">

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

value: No additional origins are good candidates for preconnecting

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

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.1 s

URL	Time Spent
aboutamazon.com/	1.1 s
www.aboutamazon.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 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: 1.2 s 259.9 KiB

URL	Transfer Size	Est Savings
www.aboutamazon.com/_next/static/css/354fc182a382e35a.css	257.6 KiB	239.5 KiB
www.aboutamazon.com/_next/static/css/e78baa9d44d4d3f3.css	25.4 KiB	20.4 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 25.8 s 12.7 MiB

URL	Transfer Size	Est Savings
www.aboutamazon.com/_next/static/chunks/7b01e4aa-5fe4461c000f8c3c.js	464.8 KiB	445.8 KiB
www.aboutamazon.com/_next/static/chunks/0cb8460a-3f767e4e7a5b4c41.js	467.7 KiB	442.6 KiB
www.aboutamazon.com/_next/static/chunks/ddb11654-a5b8f22571a723db.js	461.2 KiB	442.3 KiB
www.aboutamazon.com/_next/static/chunks/ea055470-5ef86b6a7d30494a.js	454.9 KiB	436.7 KiB
www.aboutamazon.com/_next/static/chunks/782b29a1-042194358cf30b63.js	453.2 KiB	410.7 KiB
www.aboutamazon.com/_next/static/chunks/2396a370-1d25d55aada7240a.js	456.4 KiB	408.5 KiB
www.aboutamazon.com/_next/static/chunks/674be3f2-ada3bdb16784b373.js	409.5 KiB	397.7 KiB
www.aboutamazon.com/_next/static/chunks/0c2bd621-0f1538c1c022260c.js	396.8 KiB	391.2 KiB
www.aboutamazon.com/_next/static/chunks/1e82ba45-8db33434b0c4d8a5.js	395.3 KiB	389.8 KiB
www.aboutamazon.com/_next/static/chunks/4c5fd163-8e03899283a6ed48.js	394.6 KiB	389.3 KiB
www.aboutamazon.com/_next/static/chunks/bc0e69f6-1fde4b4a811da9ff.js	394.0 KiB	389.1 KiB
www.aboutamazon.com/_next/static/chunks/b6264f8f-76f943479466dd75.js	394.0 KiB	388.6 KiB
www.aboutamazon.com/_next/static/chunks/16c8c7cf-86f0d2f4a861e8e1.js	392.9 KiB	387.7 KiB
www.aboutamazon.com/_next/static/chunks/8f7c2092-5766f0dc107c092a.js	392.3 KiB	387.5 KiB
www.aboutamazon.com/_next/static/chunks/78120182-1f68146dcb3f022c.js	392.1 KiB	387.2 KiB
www.aboutamazon.com/_next/static/chunks/a88a5821-5db94eaa2ceaa55c.js	396.7 KiB	386.0 KiB
www.aboutamazon.com/_next/static/chunks/aa59ef6c-4a98608469c88160.js	391.2 KiB	385.9 KiB
www.aboutamazon.com/_next/static/chunks/aeae96fd-eb3560de69915682.js	390.6 KiB	385.8 KiB
www.aboutamazon.com/_next/static/chunks/6e01793f-de46db6258cac057.js	390.9 KiB	385.6 KiB
www.aboutamazon.com/_next/static/chunks/3224e4dd-65f37132cabb313b.js	390.9 KiB	385.6 KiB
www.aboutamazon.com/_next/static/chunks/b85341dd-3f6196646848a0f1.js	391.9 KiB	385.3 KiB
www.aboutamazon.com/_next/static/chunks/3534eb0e-1a53e7247842219b.js	390.5 KiB	385.2 KiB
www.aboutamazon.com/_next/static/chunks/152c37e3-8032a5480d0440d8.js	390.1 KiB	384.9 KiB
www.aboutamazon.com/_next/static/chunks/6fb0dd44-175e8f7a1b94fc64.js	386.9 KiB	384.8 KiB
www.aboutamazon.com/_next/static/chunks/03964f3a-d35f1d2a065a5528.js	389.4 KiB	384.6 KiB
www.aboutamazon.com/_next/static/chunks/6ba1c052-105aac4094ed683f.js	389.1 KiB	384.3 KiB
www.aboutamazon.com/_next/static/chunks/3441d278-ab10c11780625aff.js	385.8 KiB	384.2 KiB
www.aboutamazon.com/_next/static/chunks/d101304b-e0b729dc9698f5c7.js	385.1 KiB	383.6 KiB
www.aboutamazon.com/_next/static/chunks/9c0be7fd-81057534fb5f8c00.js	388.8 KiB	383.1 KiB
www.aboutamazon.com/_next/static/chunks/dbb9d6b5-8ccf2d3e5f091587.js	391.9 KiB	382.1 KiB
www.aboutamazon.com/_next/static/chunks/5eb80a2d-95cc0d3b0b48c610.js	390.7 KiB	368.5 KiB
www.aboutamazon.com/_next/static/chunks/4ec97bd2-45f7bc779d15ba67.js	402.7 KiB	365.7 KiB
www.aboutamazon.com/_next/static/chunks/2784-030145a63513c636.js	92.6 KiB	75.1 KiB
www.aboutamazon.com/_next/static/chunks/1255-df170c1493f64051.js	168.4 KiB	74.3 KiB
www.aboutamazon.com/_next/static/chunks/6005-362071d0e7c3d39d.js	247.4 KiB	69.4 KiB
go.aboutamazon.com/js/forms2/js/forms2.min.js	67.0 KiB	52.2 KiB
www.aboutamazon.com/_next/static/chunks/4bd1b696-182b6b13bdad92e3.js	169.0 KiB	46.9 KiB
assets.adobedtm.com/057ba335cefc/edb903aead4f/launch-44ec4d431192.min.js	104.6 KiB	39.2 KiB
cdn1.adoberesources.net/alloy/2.27.0/alloy.min.js	42.2 KiB	36.7 KiB
www.aboutamazon.com/_next/static/chunks/5163-3c894510899b57d1.js	51.5 KiB	33.2 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Total CPU Time	Script Evaluation	Script Parse
Unattributable	1.9 s	19 ms	0.0 ms
www.aboutamazon.com/_next/static/chunks/1255-df170c1493f64051.js	1.4 s	1.2 s	20 ms
www.aboutamazon.com/_next/static/chunks/6005-362071d0e7c3d39d.js	553 ms	524 ms	29 ms
www.aboutamazon.com/	506 ms	11 ms	19 ms
assets.adobedtm.com/057ba335cefc/edb903aead4f/launch-44ec4d431192.min.js	328 ms	285 ms	33 ms
static.chartbeat.com/js/chartbeat.js	165 ms	116 ms	6.4 ms
www.aboutamazon.com/_next/static/chunks/9c0be7fd-81057534fb5f8c00.js	107 ms	71 ms	35 ms
www.aboutamazon.com/_next/static/chunks/4bd1b696-182b6b13bdad92e3.js	84 ms	50 ms	27 ms
go.aboutamazon.com/js/forms2/js/forms2.min.js	67 ms	43 ms	16 ms
www.aboutamazon.com/_next/static/chunks/782b29a1-042194358cf30b63.js	57 ms	6.1 ms	45 ms
www.aboutamazon.com/_next/static/chunks/152c37e3-8032a5480d0440d8.js	55 ms	11 ms	43 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	2.5 s
Other	2.2 s
Script Parsing & Compilation	1.3 s
Rendering	220 ms
Style & Layout	112 ms
Garbage Collection	103 ms
Parse HTML & CSS	58 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

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
/dims4/default/1ae2f14/2147483647/strip/true/crop/1124x11...	23.4 MiB
/dims4/default/611538c/2147483647/strip/true/crop/750x750...	10.7 MiB
www.aboutamazon.com/_next/static/chunks/0cb8460a-3f767e4e7a5b4c41.js	468.6 KiB
www.aboutamazon.com/_next/static/chunks/7b01e4aa-5fe4461c000f8c3c.js	465.6 KiB
www.aboutamazon.com/_next/static/chunks/ddb11654-a5b8f22571a723db.js	462.1 KiB
www.aboutamazon.com/_next/static/chunks/2396a370-1d25d55aada7240a.js	457.2 KiB
www.aboutamazon.com/_next/static/chunks/ea055470-5ef86b6a7d30494a.js	455.8 KiB
www.aboutamazon.com/_next/static/chunks/782b29a1-042194358cf30b63.js	454.1 KiB
/dims4/default/7f224a0/2147483647/strip/true/crop/1125x11...	425.1 KiB
www.aboutamazon.com/_next/static/chunks/674be3f2-ada3bdb16784b373.js	410.3 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
EN flag `div.footer__left-nav-col > div.footer__left-nav-site-selection > a#site-selection > img`	assets.aboutamazon.com/85/0b/a54bd5854c1b99512aa65180a2f0/result-2.svg
Amazon and Anthropic joint logo lockup `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/e059543/2147483647/strip/true/crop/1080x10...
Amazon Pet Days promotional banner featuring various pets including a dog, cat,… `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/e6e868d/2147483647/strip/true/crop/1125x11...
Alexa plus device in the foreground with the Alexa+ logo in the background at t… `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/44b541e/2147483647/strip/true/crop/1125x11...
Summer Beauty Event from April 27 to May 10 featuring Hawaiian Tropic after sun… `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/be740b5/2147483647/strip/true/crop/1125x11...
Three people standing in a forest stream wearing work gear and safety equipment `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/303c438/2147483647/strip/true/crop/1125x11...
Golf ball with Amazon Leo logo on wooden tee in grass with trees in background `div.hub-feed__item-content > a.hub-feed__item-media > picture > img`	/dims4/default/c1d1e13/2147483647/strip/true/crop/1125x11...

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

●Forced reflow

●LCP breakdown

●Modern HTTP

●Render blocking requests

●Optimize viewport for mobile

●Minify CSS

●Minify JavaScript

●Avoid long main-thread tasks 12 long tasks found

●Network Requests

●Network Round Trip Times 90 ms

●Server Backend Latencies 100 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 40 ms

○INP breakdown

○User Timing marks and measures

○Avoid non-composited animations

○Avoid large layout shifts

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

Focusable descendents within an `[aria-hidden="true"]` element prevent those interactive elements from being available to users of assistive technologies like screen readers. Learn how `aria-hidden` affects focusable elements.

Why this matters

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

Source: MDN Permissions-Policy

Failing Elements
April 15, 2026 Alexa+: Amazon’s next-gen AI assistant now available in Italy `div.slick-slider > div.slick-list > div.slick-track > div.slick-slide`
April 14, 2026 Amazon Bio Discovery AI tool launches to speed drug discovery r… `div.slick-slider > div.slick-list > div.slick-track > div.slick-slide`
April 14, 2026 Amazon to acquire Globalstar, expand Amazon Leo satellite netwo… `div.slick-slider > div.slick-list > div.slick-track > div.slick-slide`

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.main-navigation__container > div.main-navigation__container-fixed > nav#MainNavigation > button.search-button-mobile `div.main-navigation__container > div.main-navigation__container-fixed > nav#MainNavigation > button.search-button-mobile`
div.main-navigation__container > div.main-navigation__container-fixed > nav#MainNavigation > button.hamburger-menu `div.main-navigation__container > div.main-navigation__container-fixed > nav#MainNavigation > button.hamburger-menu`

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
Subscribe `div.newsletter > div#newsletter-signup-footer > form.signup-form__form > button.signup-form__button`

These are opportunities to improve the legibility of your content.

Best practices

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

●`[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

●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 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

●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 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

○Links are distinguishable without relying on color.

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

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

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

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

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

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

○`[lang]` attributes have a valid value

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

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

○All heading elements contain content.

○Uses ARIA roles only on compatible elements

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

○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.

100

Best Practices

●Uses HTTPS

●Avoids deprecated APIs

●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 clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Detected JavaScript libraries

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`