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Audit Complete

Results for https://www.stability.ai

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Spain Spain · Madrid Completed: Apr 7, 2026 20:36 UTC

Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
C71

Site Health

Score: 71 / 100

Based on 8 categories, 0 sections

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

Top Priorities (5)

1

Content-Security-Policy header is missing

Security › Security Headers
2

No Content-Security-Policy header found

Security › Content Security Policy
3

Page weighs 46.6 MB (37.5 MB transferred)

Performance › Page Weight Budget
4

1 control(s) without accessible label

Accessibility › Form Accessibility
5

3 button(s) with no accessible text

Accessibility › Link & Button Quality
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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

25
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
92
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

7.42 s

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

22.14 s

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

6.13 s

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

0.000

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

13.02 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

26.92 s

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.

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

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

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

RequestCache TTLTransfer Size
js-eu1.hsforms.net/forms/embed/v2.js300.0 s194.0 KiB
cdn-ukwest.onetrust.com/scripttemplates/202504.1.0/otBannerSdk.js86400.0 s118.0 KiB
js-eu1.hs-analytics.net/analytics/1775587800000/26117460.js300.0 s42.6 KiB
js-eu1.hubspot.com/web-interactives-embed.js600.0 s28.3 KiB
js-eu1.hs-banner.com/v2/26117460/banner.js300.0 s24.3 KiB
/assets/expand-sections-plugin/js/expand-v3.min.js0.0 ms19.5 KiB
/content/v1/6213c340453c3f502425776e/cde4b56a-684c-49c8-9...604800.0 s114.2 KiB
/logos/a1c661f2-0124-4ece-a7a6-c61ba980d61d/0196b02b-6810...86400.0 s15.9 KiB
/content/v1/6213c340453c3f502425776e/88f992eb-5df7-4f7b-b...604800.0 s49.9 KiB
/content/v1/6213c340453c3f502425776e/d5b8a804-6458-4644-9...604800.0 s48.2 KiB
/content/v1/6213c340453c3f502425776e/a2fc618d-e90e-44ed-a...604800.0 s46.5 KiB
js-eu1.hsadspixel.net/pixels.js600.0 s4.0 KiB
/content/v1/6213c340453c3f502425776e/e4b0faba-dae6-41b0-9...604800.0 s32.4 KiB
cdn-ukwest.onetrust.com/scripttemplates/otSDKStub.js86400.0 s7.6 KiB
js-eu1.hs-scripts.com/26117460.js0.0 ms1.0 KiB
cdn-ukwest.onetrust.com/logos/static/powered_by_logo.svg86400.0 s2.1 KiB
cdn.jsdelivr.net/gh/willmyethewebsiteguy/tabs@4/tabs-javascript.min.js604800.0 s5.7 KiB
cdn.jsdelivr.net/gh/willmyethewebsiteguy/tabs@4/tabs-styles.min.css604800.0 s2.6 KiB
cdn-ukwest.onetrust.com/logos/static/ot_close.svg86400.0 s607 B
cdn.jsdelivr.net/gh/willmyethewebsiteguy/beforeAfter@1/javascript.min.js604800.0 s2.1 KiB
cdn.jsdelivr.net/gh/willmyethewebsiteguy/beforeAfter@1/styles.min.css604800.0 s1.6 KiB
/a?id=G-W4CMY55YQZ&v=3&t=t&pid=251167911&gtm=45je6460v897...0.0 ms11 B
/a?id=G-W4CMY55YQZ&v=3&t=t&pid=251167911&gtm=45je6460v897...0.0 ms11 B
/a?id=G-W4CMY55YQZ&v=3&t=t&pid=251167911&gtm=45je6460v897...0.0 ms11 B
/a?id=G-W4CMY55YQZ&v=3&t=t&pid=251167911&gtm=45je6460v897...0.0 ms11 B
/a?id=G-W4CMY55YQZ&v=3&t=t&pid=251167911&gtm=45je6460v897...0.0 ms11 B
/a?id=G-W4CMY55YQZ&v=3&t=t&pid=251167911&gtm=45je6460v897...0.0 ms11 B
/content/v1/6213c340453c3f502425776e/cde4b56a-684c-49c8-9...604800.0 s0 B
/content/v1/6213c340453c3f502425776e/88f992eb-5df7-4f7b-b...604800.0 s0 B
/content/v1/6213c340453c3f502425776e/d5b8a804-6458-4644-9...604800.0 s0 B
/content/v1/6213c340453c3f502425776e/a2fc618d-e90e-44ed-a...604800.0 s0 B
/content/v1/6213c340453c3f502425776e/e4b0faba-dae6-41b0-9...604800.0 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.

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.

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.

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:9.873 source:map[column:65576 line:2 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.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:41.09 source:map[column:562 line:6 type:source-location url:https://cdn.jsdelivr.net/gh/willmyethewebsiteguy/tabs@4/tabs-javascript.min.js urlProvider:network]] map[reflowTime:1.113 source:map[column:41387 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:3.167 source:map[column:69085 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:0.034 source:map[column:82221 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:0.549 source:map[column:80709 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:1.492 source:map[column:86222 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:21.686 source:map[column:79120 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:1.411 source:map[column:32 line:202 type:source-location url:https://stability.ai/ urlProvider:network]] map[reflowTime:0.093 source:map[column:22 line:225 type:source-location url:https://stability.ai/ urlProvider:network]] map[reflowTime:6.396 source:map[column:61364 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:0.244 source:map[column:63128 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:0.133 source:map[column:63163 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:2.566 source:map[column:131184 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:0.534 source:map[column:127092 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:3.605 source:map[column:18711 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:1.969 source:map[column:18548 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:2.283 source:map[column:19362 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:2.296 source:map[column:22955 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:0.122 source:map[column:184133 line:7 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-254444e34f716f06-min.en-US.js urlProvider:network]] map[reflowTime:0.166 source:map[column:188743 line:7 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-254444e34f716f06-min.en-US.js urlProvider:network]] map[reflowTime:7.749 source:map[column:16412 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:0.665 source:map[column:34974 line:5 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:0.679 source:map[column:27314 line:0 type:source-location url:https://definitions.sqspcdn.com/website-component-definition/static-assets/website.components.imageFluid/e59e3e5b-8b84-4cda-ae88-77af65702b69_385/website.components.imageFluid.visitor.js urlProvider:network]] map[reflowTime:0.269 source:map[column:17869 line:21 type:source-location url:https://js-eu1.hs-analytics.net/analytics/1775587800000/26117460.js urlProvider:network]] map[reflowTime:0.298 source:map[column:55 line:931 type:source-location url:https://www.googletagmanager.com/gtag/js?id=G-W4CMY55YQZ&cx=c&gtm=4e6460 urlProvider:network]] map[reflowTime:0.412 source:map[column:86058 line:21 type:source-location url:https://js-eu1.hs-analytics.net/analytics/1775587800000/26117460.js urlProvider:network]] map[reflowTime:1.407 source:map[type:text value:[unattributed]]] map[reflowTime:5.68 source:map[column:101328 line:21 type:source-location url:https://js-eu1.hs-analytics.net/analytics/1775587800000/26117460.js urlProvider:network]]]

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:363.446 label:Time to first byte subpart:timeToFirstByte] map[duration:1774.205 label:Resource load delay subpart:resourceLoadDelay] map[duration:17.056 label:Resource load duration subpart:resourceLoadDuration] map[duration:704.288 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-DIV
nodeLabel: div.native-video-player > div.plyr > div.plyr__video-wrapper > div.plyr__poster
path: 1,HTML,1,BODY,2,DIV,2,MAIN,0,ARTICLE,0,SECTION,1,DIV,0,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,1,DIV
selector: div.native-video-player > div.plyr > div.plyr__video-wrapper > div.plyr__poster
snippet: <div class="plyr__poster" style="background-image: url(&quot;https://video.squarespace-cdn.com/content/v1/6213c3…&quot;);">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

lhId: page-0-DIV
nodeLabel: div.native-video-player > div.plyr > div.plyr__video-wrapper > div.plyr__poster
path: 1,HTML,1,BODY,2,DIV,2,MAIN,0,ARTICLE,0,SECTION,1,DIV,0,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,1,DIV
selector: div.native-video-player > div.plyr > div.plyr__video-wrapper > div.plyr__poster
snippet: <div class="plyr__poster" style="background-image: url(&quot;https://video.squarespace-cdn.com/content/v1/6213c3…&quot;);">

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.

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.

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

URLResource SizeEst Savings
div.sqs-code-container > div.fcc > a.card > ::before div.sqs-code-container > div.fcc > a.card > ::before
/content/6213c340453c3f502425776e/d37f2f5c-8243-4d2d-856b...138.8 KiB85.5 KiB

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.

TTI

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

Estimated savings: 857 ms
URLTime Spent
www.stability.ai/857 ms
stability.ai/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.

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.

Estimated savings: 900 ms 202.5 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.

URLTotal CPU TimeScript EvaluationScript Parse
/universal/scripts-compressed/88866-5394a004a66629ac-min....5.4 s4.4 s3.3 ms
stability.ai/2.8 s57 ms16 ms
Unattributable2.2 s83 ms0.0 ms
/universal/scripts-compressed/20071-94fe583b17bbec73-min....1.1 s913 ms40 ms
js-eu1.hs-analytics.net/analytics/1775587800000/26117460.js1.0 s502 ms8.0 ms
/universal/scripts-compressed/common-09a94e6901cb9805-min...810 ms569 ms87 ms
www.googletagmanager.com/gtag/js?id=G-W4CMY55YQZ&cx=c&gtm=4e6460503 ms358 ms49 ms
www.googletagmanager.com/gtm.js?id=GTM-MJB2MFP5484 ms430 ms46 ms
/static/vta/5c5a519771c10ba3470d8101/scripts/7064.c3355fa...396 ms332 ms50 ms
/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle....385 ms142 ms9.4 ms
cdn-ukwest.onetrust.com/scripttemplates/202504.1.0/otBannerSdk.js330 ms195 ms54 ms
js-eu1.hsforms.net/forms/embed/v2.js267 ms206 ms50 ms
/assets/expand-sections-plugin/js/expand-v3.min.js216 ms199 ms2.3 ms
cdn.jsdelivr.net/gh/willmyethewebsiteguy/tabs@4/tabs-javascript.min.js209 ms34 ms2.1 ms
/universal/scripts-compressed/66796-da5ed142159e6b44-min....181 ms176 ms4.4 ms
/universal/scripts-compressed/performance-efb529d57db762a...104 ms19 ms2.2 ms
assets.squarespace.com/@sqs/polyfiller/1.6/modern.js91 ms79 ms12 ms
www.googletagmanager.com/gtag/js?id=AW-17025025326&cx=c&gtm=4e646071 ms25 ms46 ms
/universal/scripts-compressed/extract-css-moment-js-vendo...68 ms1.5 ms66 ms
/universal/scripts-compressed/common-vendors-41f73026a0e8...68 ms5.3 ms48 ms
/static/versioned-site-css/6213c340453c3f502425776e/6885/...59 ms0.0 ms0.0 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

CategoryTime Spent
Script Evaluation9.0 s
Other4.6 s
Style & Layout1.7 s
Script Parsing & Compilation728 ms
Garbage Collection468 ms
Rendering447 ms
Parse HTML & CSS190 ms

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

URL
Stability AI div.header-mobile-logo > a > picture > img
/content/v1/6213c340453c3f502425776e/8346fca1-a188-450e-8...

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

Layout shift culprits
Optimize DOM size
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
User Timing marks and measures 47 user timings
Avoid long main-thread tasks 20 long tasks found
Avoid non-composited animations 1 animated element found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 40 ms
Server Backend Latencies 150 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 170 ms
INP breakdown
Avoid large layout shifts
92

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.

Failing Elements
View all news div.sqs-text-block-container > div.sqs-html-content > p > a

These are opportunities to improve the legibility of your content.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Failing Elements
Marketing div.video-cards__row > div.video-cards__col > div.video-cards__col-copy > h4
Self-Host div.fcc > a.card > div.content > h4
COMPANY div.sqs-block-content > div.sqs-text-block-container > div.sqs-html-content > h4

These are opportunities to improve keyboard navigation in your application.

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.

Failing Elements
Stability AI Joins the Tech Coalition div#yui_3_17_2_1_1775594115121_307 > div#yui_3_17_2_1_1775594115121_312 > div.summary-thumbnail-outer-container > a.summary-thumbnail-container
Warner Music Group and Stability AI Join Forces To Build The Next Generation Of… div#yui_3_17_2_1_1775594115121_307 > div#yui_3_17_2_1_1775594115121_314 > div.summary-thumbnail-outer-container > a.summary-thumbnail-container
Universal Music Group and Stability AI Announce Strategic Alliance to Co-Develo… div#yui_3_17_2_1_1775594115121_307 > div#yui_3_17_2_1_1775594115121_316 > div.summary-thumbnail-outer-container > a.summary-thumbnail-container

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.

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
Input buttons have discernible text.
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.
Select elements have associated label elements.
`button`, `link`, and `menuitem` elements have accessible names
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
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Document has a main landmark.
Deprecated ARIA roles were not used
ARIA IDs are unique
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Identical links have the same purpose.
`[accesskey]` values are unique
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
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 type="image">` elements have `[alt]` text
Links are distinguishable without relying on color.
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
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.
96

Best Practices

General

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

SourceDescription
stability.ai/ line 55, col 0
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
Uncaught TypeError: Cannot read properties of null (reading 'tagName')
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 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
92

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.

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

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

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

32
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
95
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

1.98 s

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

4.45 s

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

1.27 s

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

0.000

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

4.99 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

6.47 s

Detailed Report

Audit breakdown by category with detailed findings.

32

Performance

Insights

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

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

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

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

RequestCache TTLTransfer Size
js-eu1.hsforms.net/forms/embed/v2.js300.0 s194.0 KiB
26117460.hs-sites-eu1.com/_hcms/forms/embed/v3.js300.0 s177.8 KiB
26117460.hs-sites-eu1.com/hubfs/Gummy%20Mailbox.png1209600.0 s1.1 MiB
cdn-ukwest.onetrust.com/scripttemplates/202504.1.0/otBannerSdk.js86400.0 s118.0 KiB
js-eu1.hs-analytics.net/analytics/1775587800000/26117460.js300.0 s42.6 KiB
js-eu1.hubspot.com/web-interactives-embed.js600.0 s28.3 KiB
js-eu1.hs-banner.com/v2/26117460/banner.js300.0 s24.3 KiB
/assets/expand-sections-plugin/js/expand-v3.min.js0.0 ms19.4 KiB
/content/v1/6213c340453c3f502425776e/cde4b56a-684c-49c8-9...604800.0 s114.1 KiB
26117460.hs-sites-eu1.com/_hcms/googlefonts/Inter/700.woff21209600.0 s110.1 KiB
26117460.hs-sites-eu1.com/_hcms/googlefonts/Inter/regular.woff21209600.0 s106.0 KiB
js-eu1.hubspot.com/web-interactives-container.js600.0 s10.4 KiB
/logos/a1c661f2-0124-4ece-a7a6-c61ba980d61d/0196b02b-6810...86400.0 s15.9 KiB
/content/v1/6213c340453c3f502425776e/88f992eb-5df7-4f7b-b...604800.0 s49.8 KiB
/content/v1/6213c340453c3f502425776e/d5b8a804-6458-4644-9...604800.0 s48.1 KiB
/content/v1/6213c340453c3f502425776e/a2fc618d-e90e-44ed-a...604800.0 s46.6 KiB
js-eu1.hsadspixel.net/pixels.js600.0 s4.0 KiB
/content/v1/6213c340453c3f502425776e/e4b0faba-dae6-41b0-9...604800.0 s32.4 KiB
cdn-ukwest.onetrust.com/scripttemplates/otSDKStub.js86400.0 s7.6 KiB
js-eu1.hs-scripts.com/26117460.js0.0 ms1.0 KiB
cdn-ukwest.onetrust.com/logos/static/powered_by_logo.svg86400.0 s2.1 KiB
cdn.jsdelivr.net/gh/willmyethewebsiteguy/tabs@4/tabs-javascript.min.js604800.0 s5.3 KiB
cdn.jsdelivr.net/gh/willmyethewebsiteguy/tabs@4/tabs-styles.min.css604800.0 s2.6 KiB
cdn-ukwest.onetrust.com/logos/static/ot_close.svg86400.0 s653 B
cdn.jsdelivr.net/gh/willmyethewebsiteguy/beforeAfter@1/javascript.min.js604800.0 s2.5 KiB
cdn.jsdelivr.net/gh/willmyethewebsiteguy/beforeAfter@1/styles.min.css604800.0 s1.9 KiB

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

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.

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.

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:21.78 source:map[column:42870 line:2 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.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:70.182 source:map[type:text value:[unattributed]]] map[reflowTime:0.558 source:map[column:562 line:6 type:source-location url:https://cdn.jsdelivr.net/gh/willmyethewebsiteguy/tabs@4/tabs-javascript.min.js urlProvider:network]] map[reflowTime:1.251 source:map[column:41387 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:3.002 source:map[column:69085 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:0.15 source:map[column:82221 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:0.919 source:map[column:80709 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:1.302 source:map[column:86222 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:29.21 source:map[column:79120 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:1.94 source:map[column:22 line:225 type:source-location url:https://stability.ai/ urlProvider:network]] map[reflowTime:10.556 source:map[column:59668 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:1.756 source:map[column:61364 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:0.316 source:map[column:63128 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:0.148 source:map[column:63163 line:63 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:5.665 source:map[column:18711 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:1.296 source:map[column:18548 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:1.684 source:map[column:19362 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:2.319 source:map[column:16412 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:1.373 source:map[column:22955 line:4 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-09a94e6901cb9805-min.en-US.js urlProvider:network]] map[reflowTime:0.628 source:map[column:184133 line:7 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-254444e34f716f06-min.en-US.js urlProvider:network]] map[reflowTime:0.755 source:map[column:84529 line:7 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-254444e34f716f06-min.en-US.js urlProvider:network]] map[reflowTime:0.507 source:map[column:188743 line:7 type:source-location url:https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-254444e34f716f06-min.en-US.js urlProvider:network]] map[reflowTime:0.554 source:map[column:27314 line:0 type:source-location url:https://definitions.sqspcdn.com/website-component-definition/static-assets/website.components.imageFluid/e59e3e5b-8b84-4cda-ae88-77af65702b69_385/website.components.imageFluid.visitor.js urlProvider:network]] map[reflowTime:21.78 source:map[column:46892 line:1 type:source-location url:https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.3107408ccb15b3bd5667ba444170be7b.js urlProvider:network]] map[reflowTime:0.078 source:map[column:15459 line:0 type:source-location url:https://definitions.sqspcdn.com/website-component-definition/static-assets/website.components.shape/487c158b-cd9c-4eae-9bcc-89aef0290361_792/website.components.shape.visitor.js urlProvider:network]] map[reflowTime:0.333 source:map[column:17869 line:21 type:source-location url:https://js-eu1.hs-analytics.net/analytics/1775587800000/26117460.js urlProvider:network]] map[reflowTime:0.438 source:map[column:376 line:885 type:source-location url:https://www.googletagmanager.com/gtag/js?id=AW-17025025326&cx=c&gtm=4e6461h2 urlProvider:network]] map[reflowTime:1.906 source:map[column:86058 line:21 type:source-location url:https://js-eu1.hs-analytics.net/analytics/1775587800000/26117460.js urlProvider:network]] map[reflowTime:0.525 source:map[column:101328 line:21 type:source-location url:https://js-eu1.hs-analytics.net/analytics/1775587800000/26117460.js urlProvider:network]] map[reflowTime:0.417 source:map[column:25 line:413 type:source-location url:https://stability.ai/ urlProvider:network]]]

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.

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.

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

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

Estimated savings: 296 ms
URLTime Spent
www.stability.ai/296 ms
stability.ai/0.0 ms

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

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.

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.

Estimated savings: 160 ms 167.1 KiB

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

CategoryTime Spent
Script Evaluation3.0 s
Other1.4 s
Style & Layout507 ms
Script Parsing & Compilation212 ms
Garbage Collection151 ms
Rendering149 ms
Parse HTML & CSS54 ms

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

URL
Stability AI div.header-title-logo > a > picture > img
/content/v1/6213c340453c3f502425776e/a3485d53-7e65-42b5-b...

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

Layout shift culprits
Optimize DOM size
Improve image delivery
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
User Timing marks and measures 47 user timings
Avoid long main-thread tasks 18 long tasks found
Avoid non-composited animations 1 animated element found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 40 ms
Server Backend Latencies 120 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
LCP request discovery
Avoid large layout shifts
95

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.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Failing Elements
Marketing div.video-cards__row > div.video-cards__col > div.video-cards__col-copy > h4
Self-Host div.fcc > a.card > div.content > h4
COMPANY div.sqs-block-content > div.sqs-text-block-container > div.sqs-html-content > h4

These are opportunities to improve keyboard navigation in your application.

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.

Failing Elements
Stability AI Joins the Tech Coalition div#yui_3_17_2_1_1775594140479_161 > div#yui_3_17_2_1_1775594140479_166 > div.summary-thumbnail-outer-container > a.summary-thumbnail-container
Warner Music Group and Stability AI Join Forces To Build The Next Generation Of… div#yui_3_17_2_1_1775594140479_161 > div#yui_3_17_2_1_1775594140479_168 > div.summary-thumbnail-outer-container > a.summary-thumbnail-container
Universal Music Group and Stability AI Announce Strategic Alliance to Co-Develo… div#yui_3_17_2_1_1775594140479_161 > div#yui_3_17_2_1_1775594140479_170 > div.summary-thumbnail-outer-container > a.summary-thumbnail-container

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.

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
Input buttons have discernible text.
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.
Select elements have associated label elements.
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
Background and foreground colors have a sufficient contrast ratio
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Document has a main landmark.
Deprecated ARIA roles were not used
ARIA IDs are unique
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Identical links have the same purpose.
`[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
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 type="image">` elements have `[alt]` text
Links are distinguishable without relying on color.
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
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.
96

Best Practices

General

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

SourceDescription
stability.ai/ line 55, col 0
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
The Content Security Policy directive 'report-uri' is ignored when delivered via a <meta> element.
Uncaught TypeError: Cannot read properties of null (reading 'tagName')
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 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
92

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.

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

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 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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