https://thenextweb.com
Lighthouse Desktop
· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.SCORE
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Detailed Report
Audit breakdown by category with detailed findings.
92
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.
Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Est Savings |
|---|---|
| next.tnwcdn.com/assets/fonts/graphik-compact/graphik-compact-medium.woff2 | 80 ms |
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
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates
Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Duration |
|---|---|---|
| assets.calendly.com/assets/external/widget.js | 4.3 KiB | |
| assets.calendly.com/assets/external/widget.css | 1.2 KiB | 230 ms |
| fonts.googleapis.com/css?family=Roboto+Mono:400,500 | 1.1 KiB | 271 ms |
| thenextweb.com/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js | 1.1 KiB | 63 ms |
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 | |
|---|---|---|---|
Trump says Anthropic Pentagon deal is ‘possible’, weeks after blacklisting the … article.c-showcase__article > div.c-card > a.c-card__image > img.c-card__imageImage | cdn0.tnwcdn.com/wp-content/blogs.dir/1/files/2026/04/Annthopic-Pentagon.png | 558.7 KiB | 517.8 KiB |
OpenAI recruits Cognizant and CGI to take Codex into enterprise software shops … article.c-showcase__article > div.c-card > a.c-card__image > img.c-card__imageImage | cdn0.tnwcdn.com/wp-content/blogs.dir/1/files/2026/04/Codex-Labs.png | 394.7 KiB | 376.9 KiB |
Samsung and IKEA just made the $6 smart home real, and your TV is already the h… article.c-showcase__article > div.c-card > a.c-card__image > img.c-card__imageImage | /wp-content/blogs.dir/1/files/2026/04/samsung-smartthings... | 120.4 KiB | 102.6 KiB |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
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: 240 ms 326.2 KiB
| URL | Transfer Size | Est Savings |
|---|---|---|
| /assets/next/css/media.css?af24e65ec70ba6a3571bc69de0e8f4... | 240.4 KiB | 221.6 KiB |
| /assets/next/css/base.css?af24e65ec70ba6a3571bc69de0e8f4e... | 107.7 KiB | 92.5 KiB |
| use.fontawesome.com/releases/v5.6.3/css/all.css | 12.1 KiB | 12.1 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: 0.0 ms 246.5 KiB
| URL | Transfer Size | Est Savings |
|---|---|---|
| www.googletagmanager.com/gtag/js?id=G-FCY1FMD03F&cx=c>m=4e64h1 | 157.0 KiB | 63.7 KiB |
| consent-manager.thenextweb.com/Notice.8f529.js | 90.8 KiB | 61.4 KiB |
| www.googletagmanager.com/gtm.js?id=GTM-NNKTCH4W | 122.4 KiB | 60.2 KiB |
| eu-assets.i.posthog.com/static/array.js | 66.8 KiB | 35.7 KiB |
| eu-assets.i.posthog.com/static/surveys.js?v=1.369.5 | 31.9 KiB | 25.5 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.
Humble emerges from stealth with $24M and a cableless autonomous electric truck… div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > a > img.js-lazy |
Amazon puts up to $25 billion more into Anthropic and secures 10-year cloud com… div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > a > img.js-lazy |
Google is in talks with Marvell to build custom AI inference chips as it divers… div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > a > img.js-lazy |
Trump says Anthropic Pentagon deal is ‘possible’, weeks after blacklisting the … div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > a > img.js-lazy |
More information about the performance of your application. These numbers don't directly affect the Performance score.
●Layout shift culprits
●Document request latency
●Optimize DOM size
●Forced reflow
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Time to Interactive 1.3 s
●Max Potential First Input Delay 50 ms
●Minify CSS
●Minify JavaScript
●Avoids enormous network payloads Total size was 2,329 KiB
●User Timing marks and measures 5 user timings
●JavaScript execution time 0.3 s
●Minimizes main-thread work 0.8 s
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 30 ms
●Server Backend Latencies 50 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Avoid multiple page redirects
●Initial server response time was short Root document took 50 ms
●Avoid large layout shifts 2 layout shifts found
○INP breakdown
○LCP request discovery
○Avoid long main-thread tasks
○Avoid non-composited animations
81
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 |
|---|
News div#overlay__hook > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Events div#overlay__hook > ul.c-nav__menu > li.c-nav__menuItem > button.c-nav__menuLink |
Spaces div#overlay__hook > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Programs div#overlay__hook > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Newsletters ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink > span.c-nav__iconsItem--label |
Partner with us ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink > span.c-nav__iconsItem--label |
Latest div.c-nav__menuContainer > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Deep tech div.c-nav__menuContainer > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Sustainability div.c-nav__menuContainer > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Ecosystems div.c-nav__menuContainer > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Data and security div.c-nav__menuContainer > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Fintech and ecommerce div.c-nav__menuContainer > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Future of work div.c-nav__menuContainer > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
Conference media hub div.c-nav__menuContainer > ul.c-nav__menu > li.c-nav__menuItem > a.c-nav__menuLink |
More div.c-nav__menuContainer > ul.c-nav__menu > li.c-nav__menuItem > button.c-nav__menuLink |
UNITED STATES div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
LAUNCH div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
LAUNCH div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
NEXT FEATURED div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
STARTUPS AND TECHNOLOGY div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
CHINA div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
DESIGN & DEV div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
GOVERNMENT AND POLICY div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
HEALTH TECH div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
FINTECH AND ECOMMERCE div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
BUSINESS div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
ARTIFICIAL INTELLIGENCE div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink > span.c-card__label |
STARTUPS AND TECHNOLOGY div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > small.md:mt-m > a.c-showcaseSubbrandsArticleListItemTag |
STARTUPS AND TECHNOLOGY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
STARTUPS AND TECHNOLOGY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
STARTUPS AND TECHNOLOGY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
STARTUPS AND TECHNOLOGY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
AMAZON div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > small.md:mt-m > a.c-showcaseSubbrandsArticleListItemTag |
INVESTORS AND FUNDING article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
INVESTORS AND FUNDING article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ARTIFICIAL INTELLIGENCE article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
INVESTORS AND FUNDING article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ARTIFICIAL INTELLIGENCE div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > small.md:mt-m > a.c-showcaseSubbrandsArticleListItemTag |
CORPORATES AND INNOVATION article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
CARS article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ARTIFICIAL INTELLIGENCE article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ANTHROPIC article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
UNITED STATES div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > small.md:mt-m > a.c-showcaseSubbrandsArticleListItemTag |
GOVERNMENT AND POLICY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
BUSINESS article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ANTHROPIC article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
EUROPE article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
REACH YOUR GOALS div.o-grid > div.o-grid__col > header.c-bodyBlock__header > div.c-bodyBlock__subheading |
These are opportunities to improve the legibility of your content.
Names and labels
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 |
|---|
nav#nav > div.c-nav__level2 > div.c-nav__pwd > a.c-nav__pwdLogo nav#nav > div.c-nav__level2 > div.c-nav__pwd > a.c-nav__pwdLogo |
div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div.socials-homepage > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink div > ul.c-footer__contact > li.c-footer__contactItem > a.c-footer__contactLink |
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.
Tables and lists
Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. Learn more about proper list structure.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Startups and technology
STARTUPS AND TECHNOLOGY
Humble emerges from stealth wit… main#nextHome > section.c-showcase > div.o-wrapper > ol.c-split |
These are opportunities to improve the experience of reading tabular or list data using 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
Informational: a Permissions-Policy directive showing feature -> allowed origins.
Source: MDN Permissions-Policy
| 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 |
|---|
UNITED STATES li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
LAUNCH li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
LAUNCH li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
NEXT FEATURED li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
STARTUPS AND TECHNOLOGY li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
CHINA li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
DESIGN & DEV li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
GOVERNMENT AND POLICY li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
HEALTH TECH li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
FINTECH AND ECOMMERCE li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
BUSINESS li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
ARTIFICIAL INTELLIGENCE li.o-grid__col > div.flex > div.c-showcaseSubbrandsArticleHeader > a.c-showcaseSubbrandsArticleListItemLink |
STARTUPS AND TECHNOLOGY div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > small.md:mt-m > a.c-showcaseSubbrandsArticleListItemTag |
STARTUPS AND TECHNOLOGY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
STARTUPS AND TECHNOLOGY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
STARTUPS AND TECHNOLOGY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
STARTUPS AND TECHNOLOGY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
AMAZON div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > small.md:mt-m > a.c-showcaseSubbrandsArticleListItemTag |
INVESTORS AND FUNDING article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
INVESTORS AND FUNDING article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ARTIFICIAL INTELLIGENCE article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
INVESTORS AND FUNDING article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ARTIFICIAL INTELLIGENCE div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > small.md:mt-m > a.c-showcaseSubbrandsArticleListItemTag |
CORPORATES AND INNOVATION article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
CARS article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ARTIFICIAL INTELLIGENCE article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ANTHROPIC article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
UNITED STATES div.c-showcaseSubbrandsList > div.c-showcaseSubbrandsArticleMain > small.md:mt-m > a.c-showcaseSubbrandsArticleListItemTag |
GOVERNMENT AND POLICY article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
BUSINESS article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
ANTHROPIC article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
EUROPE article.c-listArticle > div.c-listArticle__text > small > a.c-showcaseSubbrandsArticleListItemTag |
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
●Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●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
●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
●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
○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
○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.
○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.
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
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
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`