C — https://w3techs.com | BeaverCheck Audit

Site Health

Score: 78 / 100

Based on 8 categories, 0 sections

Fast site — your users get a smooth experience.

Several missing protections leave your users and data exposed.

Several issues make your site difficult for assistive technology users.

Well-optimized for search — your content is discoverable.

Solid infrastructure — fast server responses across the board.

Mostly compliant — a few items need attention.

Good content signals with minor gaps.

Lean and efficient — low environmental impact per visit.

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.

How the composite score is calculated

How you compare

Ubuntu · 41 peers

You 78

Avg 73

At average

0 50 100

Better than 80% of Ubuntu sites See full Ubuntu benchmark →

Apache · 334 peers

You 78

Avg 72

+6 above average

0 50 100

Better than 90% of Apache sites See full Apache benchmark →

Top Priorities (5)

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers

HSTS header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy

No <main> landmark found

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Landmark Structure

is missing width/height — may cause layout shift

Performance issues directly impact user engagement and conversion rates.

Performance › Image Optimization

View fix priority matrix

Fix Priority Matrix

5 findings

Impact

Quick Wins

High impact, low effort — start here.

Strategic

High impact, requires investment.

Easy Improvements

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →

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Markdown

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HTML

<a href="https://beavercheck.com/results/971c9701-dca5-4b94-a236-5df6244b8d2a"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fw3techs.com" alt="BeaverCheck Score"></a>

Image URL

https://beavercheck.com/badge?url=https%3A%2F%2Fw3techs.com

This badge auto-updates with your latest scan result.

What fixing these means

Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Your server takes 803ms to respond — every other performance metric inherits that delay. Addressing the critical issues below would have the most immediate impact on your user trust.

3 security gaps detected — browsers may warn visitors about your site.

1 accessibility issue excludes users who rely on assistive technology.

1 performance issue — Akamai's research found 53% of mobile users abandon pages over 3s.

Could reach Estimate based on resolving critical issues

Conversion Barriers

1 critical 4 warning

5 barrier(s) likely increasing bounce by ~24%.

Trust (2)

No HSTS header

+1% bounce

Returning visitors are briefly exposed to downgrade attacks on first request

Fix: Set Strict-Transport-Security: max-age=31536000; includeSubDomains

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Usability (1)

No viewport meta tag

+15% bounce

Mobile browsers render at desktop width and shrink — text unreadable, tap targets miniature

Fix: Add <meta name="viewport" content="width=device-width, initial-scale=1">

Content (1)

No Open Graph tags

+2% bounce

Links shared on LinkedIn / Slack / Facebook show bare URLs — referral clicks drop

Fix: Add og:title, og:description, og:image, og:url to the page head

Navigation (1)

No skip-to-content link

+1% bounce

Keyboard and screen-reader users must tab through the entire header on every page

Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

€450 investment → €0.02/month returns + EUR 120,500,000 risk avoided

Payback period: > 2 years First-year ROI: -100%

Investment

€450

5h · 5 findings

Monthly returns

€0.02 /mo

~€0.23 / year

Bandwidth savings €0.02

Regulatory risk avoided

EUR 120,500,000

if kept compliant

ePrivacy Directive EUR 100,000,000
DSGVO EUR 20,000,000
EAA EUR 500,000

€135 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

€450

5.0 developer hours at €90/hr

Based on Germany rates (€90/hr)

Quick wins

€135 3 fixes in ~90 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions

Custom rate

€ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

€10,041,667 / month at risk

~€120,500,000 / year if left unfixed

Compliance Risk

€120,500,000

ePrivacy DirectiveDSGVOEAA

No privacy policy link detected
DSGVO: EUR 10,000 – EUR 20,000,000
1 advertising/retargeting trackers detected
DSGVO: EUR 10,000 – EUR 20,000,000
Trackers detected but no cookie policy found
DSGVO: EUR 5,000 – EUR 10,000,000

+6 more

Bandwidth Waste

€0.02 /mo

260.4 MB/mo × 0.074 EUR/GB

Optimize transfer: save ~26 KB per page load
Saves €0.02/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Monthly visitors

Unique monthly visitors from your analytics

Conversion rate (%)

Purchases, signups, or key actions

Avg. order value

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue

Current bounce (est.)

After fixes (est.)

Estimated bounce reduction

Fix 4 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

Performance

Accessibility

Best Practices

100

SEO

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.

1.54 s

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

2.47 s

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

0 ms

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

0.007

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

2.84 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.

2.47 s

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

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

items: [map[reflowTime:39.927 source:map[type:text value:[unattributed]]]]

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

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
w3techs.com/s46.css	4.9 KiB	310 ms

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
media.ethicalads.io/images/2023/07/mongodb-codedark-240x180.png	3600.0 s	29.6 KiB
m.q-success.com/mtj	0.0 ms	22.1 KiB
media.ethicalads.io/media/client/ethicalads.min.js	3600.0 s	10.8 KiB
/api/v1/decision/?publisher=w3techs-com&ad_types=image-v1...	0.0 ms	1.1 KiB
media.ethicalads.io/abp/px.gif?ch=2&rn=6.783731371585589	3600.0 s	558 B
server.ethicalads.io/proxy/view/10122/019db6e0-5aca-7f40-9c88-220f0c199ca5/	0.0 ms	431 B
media.ethicalads.io/abp/px.gif?ch=1&rn=6.783731371585589	3600.0 s	345 B

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
Sponsored: MongoDB `div.ea-placement > div.ea-content > a > img`	media.ethicalads.io/images/2023/07/mongodb-codedark-240x180.png	29.1 KiB	23.7 KiB

Tap interactions may be delayed by up to 300 ms if the viewport is not optimized for mobile.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Diagnostics

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
Sponsored: MongoDB `div.ea-placement > div.ea-content > a > img`	media.ethicalads.io/images/2023/07/mongodb-codedark-240x180.png
Send email `ul.share-buttons > li > a > img`
Share on LinkedIn `ul.share-buttons > li > a > img`
Post on Bluesky `ul.share-buttons > li > a > img`
Add to DEV `ul.share-buttons > li > a > img`
Add to Hacker News `ul.share-buttons > li > a > img`

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

●Time to Interactive 2.5 s

●Layout shift culprits

●Document request latency

●Optimize DOM size

●Font display

●LCP breakdown

●Modern HTTP

●Max Potential First Input Delay 30 ms

●Minify CSS

●Minify JavaScript

●Reduce unused CSS

●Reduce unused JavaScript

●Avoids enormous network payloads Total size was 85 KiB

●JavaScript execution time 0.0 s

●Minimizes main-thread work 0.7 s

●Avoid long main-thread tasks 1 long task found

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 160 ms

●Server Backend Latencies 130 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 160 ms

●Avoid large layout shifts 2 layout shifts found

○INP breakdown

○LCP request discovery

○User Timing marks and measures

○Avoid non-composited animations

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
Simplify infrastructure `div.ea-content > div.ea-text > a > strong.ea-headline`
www.mongodb.com `div.horizontal > div.ea-placement > div.ea-content > div.ea-domain`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`

These are opportunities to improve the legibility of your content.

Best practices

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Wix `tbody > tr > td > a.no_und`
Astro `tbody > tr > td > a.no_und`
PHP `tbody > tr > td > a.no_und`
Ruby `tbody > tr > td > a.no_und`
Java `tbody > tr > td > a.no_und`
Scala `tbody > tr > td > a.no_und`
Ruby `tbody > tr > td > a.no_und`
Scala `tbody > tr > td > a.no_und`
Flash `tbody > tr > td > a.no_und`
Java `tbody > tr > td > a.no_und`
jQuery `tbody > tr > td > a.no_und`
Bootstrap `tbody > tr > td > a.no_und`
Underscore `tbody > tr > td > a.no_und`
Next.js `tbody > tr > td > a.no_und`
GSAP `tbody > tr > td > a.no_und`
Nuxt `tbody > tr > td > a.no_und`
Bootstrap `tbody > tr > td > a.no_und`
Animate `tbody > tr > td > a.no_und`
Foundation `tbody > tr > td > a.no_und`
Apache `tbody > tr > td > a.no_und`
LiteSpeed `tbody > tr > td > a.no_und`
Node.js `tbody > tr > td > a.no_und`
Node.js `tbody > tr > td > a.no_und`
LiteSpeed `tbody > tr > td > a.no_und`
hPanel `tbody > tr > td > a.no_und`
Plesk `tbody > tr > td > a.no_und`
cPanel `tbody > tr > td > a.no_und`
RunCloud `tbody > tr > td > a.no_und`
GridPane `tbody > tr > td > a.no_und`
Linux `tbody > tr > td > a.no_und`
Unix `tbody > tr > td > a.no_und`
Ubuntu `tbody > tr > td > a.no_und`
Shopify `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Amazon `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Shopify `tbody > tr > td > a.no_und`
Amazon `tbody > tr > td > a.no_und`
Google `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Amazon `tbody > tr > td > a.no_und`
Oracle `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Cloudflare `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
IONOS `tbody > tr > td > a.no_und`
Microsoft `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Let’s Encrypt `tbody > tr > td > a.no_und`
GlobalSign `tbody > tr > td > a.no_und`
GoDaddy Group `tbody > tr > td > a.no_und`
DigiCert Group `tbody > tr > td > a.no_und`
Starfield `tbody > tr > td > a.no_und`
Actalis `tbody > tr > td > a.no_und`
CDNJS `tbody > tr > td > a.no_und`
jsDelivr `tbody > tr > td > a.no_und`
jsDelivr `tbody > tr > td > a.no_und`
unpkg `tbody > tr > td > a.no_und`
AdRoll `tbody > tr > td > a.no_und`
Equativ `tbody > tr > td > a.no_und`
AdRoll `tbody > tr > td > a.no_und`
Skimlinks `tbody > tr > td > a.no_und`
WhatsApp `tbody > tr > td > a.no_und`
Facebook `tbody > tr > td > a.no_und`
Twitter/X `tbody > tr > td > a.no_und`
Pinterest `tbody > tr > td > a.no_und`
LinkedIn `tbody > tr > td > a.no_und`
WhatsApp `tbody > tr > td > a.no_und`
Telegram `tbody > tr > td > a.no_und`
VKontakte `tbody > tr > td > a.no_und`
Cookies `tbody > tr > td > a.no_und`
HTTP/3 `tbody > tr > td > a.no_und`
External CSS `tbody > tr > td > a.no_und`
Compression `tbody > tr > td > a.no_und`
Open Graph `tbody > tr > td > a.no_und`
Twitter/X Cards `tbody > tr > td > a.no_und`
JSON-LD `tbody > tr > td > a.no_und`
Open Graph `tbody > tr > td > a.no_und`
HTML `tbody > tr > td > a.no_und`
XHTML `tbody > tr > td > a.no_und`
HTML5 `tbody > tr > td > a.no_und`
HTML `tbody > tr > td > a.no_und`
Windows-1252 `tbody > tr > td > a.no_und`
Windows-1251 `tbody > tr > td > a.no_und`
PNG `tbody > tr > td > a.no_und`
JPEG `tbody > tr > td > a.no_und`
SVG `tbody > tr > td > a.no_und`
WebP `tbody > tr > td > a.no_und`
GIF `tbody > tr > td > a.no_und`
SVG `tbody > tr > td > a.no_und`
WebP `tbody > tr > td > a.no_und`
AVIF `tbody > tr > td > a.no_und`
.com `tbody > tr > td > a.no_und`
.org `tbody > tr > td > a.no_und`
.de `tbody > tr > td > a.no_und`
.br `tbody > tr > td > a.no_und`
.ru `tbody > tr > td > a.no_und`
.in `tbody > tr > td > a.no_und`
.fr `tbody > tr > td > a.no_und`
.ai `tbody > tr > td > a.no_und`
Japan `tbody > tr > td > a.no_und`
France `tbody > tr > td > a.no_und`
Brazil `tbody > tr > td > a.no_und`
Cyprus `tbody > tr > td > a.no_und`
English `tbody > tr > td > a.no_und`
Spanish `tbody > tr > td > a.no_und`
German `tbody > tr > td > a.no_und`
Japanese `tbody > tr > td > a.no_und`
French `tbody > tr > td > a.no_und`
English `tbody > tr > td > a.no_und`
Chinese `tbody > tr > td > a.no_und`

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-hidden="true"]` is not present on the document `<body>`

●Image elements have `[alt]` attributes

●Document has a `<title>` element

●`<html>` element has a `[lang]` attribute

●`<html>` element has a valid value for its `[lang]` attribute

●Links are distinguishable without relying on color.

●Links have a discernible name

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

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

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

●`[lang]` attributes have a valid value

●Heading elements appear in a sequentially-descending order

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

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

●Identical links have the same purpose.

●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.

○`[accesskey]` values are unique

○`[aria-*]` attributes match their roles

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

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

○Deprecated ARIA roles were not used

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

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

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

○Elements use only permitted ARIA attributes

○`[role]`s have all required `[aria-*]` attributes

○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

○`[role]` values are valid

○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

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

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

○Buttons have an accessible name

○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

○Form elements have associated labels

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

○`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

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

○`<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

○Elements with visible text labels have matching accessible names.

Best Practices

User Experience

Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Displayed size	Actual size	Expected size
W3Techs `div#hd > div#hdl > a > img`	w3techs.com/logo1.gif	150 x 50	150 x 50	225 x 75

●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

●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 DOM-based XSS with Trusted Types

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

○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`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

Performance

Accessibility

100

Best Practices

100

SEO

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.

873 ms

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

1.34 s

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

0 ms

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

0.169

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

1.42 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.

1.34 s

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.

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Source: Google web.dev / Lighthouse

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.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

items: [map[node:map[type:text value:Total] score:0.16916499999999998] map[node:map[boundingRect:map[bottom:13245 height:13022 left:0 right:1350 top:222 width:1350] lhId:page-1-DIV nodeLabel: W3Techs - World Wide Web Technology Surveys W3Techs provides information abo… path:1,HTML,1,BODY,1,DIV,3,DIV selector:body > div#doc3 > div#bd snippet:<div id="bd"> type:node] score:0.161962 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:121 height:90 left:361 right:481 top:31 width:120] lhId:page-6-IMG nodeLabel:Sponsored: TinyMCE path:1,HTML,1,BODY,1,DIV,0,DIV,1,DIV,2,DIV,0,DIV,0,DIV,0,A,0,IMG selector:div.ea-placement > div.ea-content > a > img snippet:<img src="https://media.ethicalads.io/images/2025/12/Tiny_features_v3_Ethical_Ad_240…" alt="Sponsored: TinyMCE"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:13245 height:13022 left:0 right:1350 top:222 width:1350] lhId:page-1-DIV nodeLabel: W3Techs - World Wide Web Technology Surveys W3Techs provides information abo… path:1,HTML,1,BODY,1,DIV,3,DIV selector:body > div#doc3 > div#bd snippet:<div id="bd"> type:node] score:0.007203 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:121 height:90 left:361 right:481 top:31 width:120] lhId:page-6-IMG nodeLabel:Sponsored: TinyMCE path:1,HTML,1,BODY,1,DIV,0,DIV,1,DIV,2,DIV,0,DIV,0,DIV,0,A,0,IMG selector:div.ea-placement > div.ea-content > a > img snippet:<img src="https://media.ethicalads.io/images/2025/12/Tiny_features_v3_Ethical_Ad_240…" alt="Sponsored: TinyMCE"> type:node]]] type:subitems]]]

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

items: [map[reflowTime:42.076 source:map[type:text value:[unattributed]]]]

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.

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

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
w3techs.com/s46.css	4.9 KiB	199 ms

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
media.ethicalads.io/images/2025/12/Tiny_features_v3_Ethical_Ad_240x180.jpg	3600.0 s	37.0 KiB
m.q-success.com/mtj	0.0 ms	22.1 KiB
media.ethicalads.io/media/client/ethicalads.min.js	3600.0 s	10.9 KiB
/api/v1/decision/?publisher=w3techs-com&ad_types=image-v1...	0.0 ms	1.1 KiB
media.ethicalads.io/abp/px.gif?ch=1&rn=4.76039874339892	3600.0 s	565 B
server.ethicalads.io/proxy/view/10476/019db6e0-c118-70c3-ae9e-04954d3f72ff/	0.0 ms	380 B
media.ethicalads.io/abp/px.gif?ch=2&rn=4.76039874339892	3600.0 s	342 B

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
Sponsored: TinyMCE `div.ea-placement > div.ea-content > a > img`	media.ethicalads.io/images/2025/12/Tiny_features_v3_Ethical_Ad_240x180.jpg	36.5 KiB	34.7 KiB

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

Diagnostics

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
Sponsored: TinyMCE `div.ea-placement > div.ea-content > a > img`	media.ethicalads.io/images/2025/12/Tiny_features_v3_Ethical_Ad_240x180.jpg
Send email `ul.share-buttons > li > a > img`
Share on LinkedIn `ul.share-buttons > li > a > img`
Post on Bluesky `ul.share-buttons > li > a > img`
Add to DEV `ul.share-buttons > li > a > img`
Add to Hacker News `ul.share-buttons > li > a > img`

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

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Element	Layout shift score
W3Techs - World Wide Web Technology Surveys W3Techs provides information abo… `body > div#doc3 > div#bd`	0.162
W3Techs - World Wide Web Technology Surveys W3Techs provides information abo… `body > div#doc3 > div#bd`	0.007

●Time to Interactive 1.3 s

●Document request latency

●Optimize DOM size

●Font display

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Max Potential First Input Delay 20 ms

●Minify CSS

●Minify JavaScript

●Reduce unused CSS

●Reduce unused JavaScript

●Avoids enormous network payloads Total size was 92 KiB

●JavaScript execution time 0.0 s

●Minimizes main-thread work 0.2 s

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 160 ms

●Server Backend Latencies 120 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 160 ms

○INP breakdown

○LCP request discovery

○User Timing marks and measures

○Avoid long main-thread tasks

○Avoid non-composited animations

Accessibility

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
TinyMCE Features `div.ea-content > div.ea-text > a > strong.ea-headline`
Start Free `div.ea-content > div.ea-text > a > strong.ea-cta`
www.tiny.cloud `div.horizontal > div.ea-placement > div.ea-content > div.ea-domain`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`
© W3Techs.com `table.tech_home > tbody > tr > th.w3t`

These are opportunities to improve the legibility of your content.

Best practices

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
advertise here `div#doc3 > div#hd > div#hdc > a.no_und`
FAQ `body > div#doc3 > div#mn > a`
Wix `tbody > tr > td > a.no_und`
Astro `tbody > tr > td > a.no_und`
PHP `tbody > tr > td > a.no_und`
Ruby `tbody > tr > td > a.no_und`
Java `tbody > tr > td > a.no_und`
Scala `tbody > tr > td > a.no_und`
Ruby `tbody > tr > td > a.no_und`
Scala `tbody > tr > td > a.no_und`
Flash `tbody > tr > td > a.no_und`
Java `tbody > tr > td > a.no_und`
jQuery `tbody > tr > td > a.no_und`
Bootstrap `tbody > tr > td > a.no_und`
Underscore `tbody > tr > td > a.no_und`
Next.js `tbody > tr > td > a.no_und`
GSAP `tbody > tr > td > a.no_und`
Nuxt `tbody > tr > td > a.no_und`
Bootstrap `tbody > tr > td > a.no_und`
Animate `tbody > tr > td > a.no_und`
Foundation `tbody > tr > td > a.no_und`
Apache `tbody > tr > td > a.no_und`
LiteSpeed `tbody > tr > td > a.no_und`
Node.js `tbody > tr > td > a.no_und`
Node.js `tbody > tr > td > a.no_und`
LiteSpeed `tbody > tr > td > a.no_und`
hPanel `tbody > tr > td > a.no_und`
Plesk `tbody > tr > td > a.no_und`
cPanel `tbody > tr > td > a.no_und`
RunCloud `tbody > tr > td > a.no_und`
GridPane `tbody > tr > td > a.no_und`
Linux `tbody > tr > td > a.no_und`
Unix `tbody > tr > td > a.no_und`
Ubuntu `tbody > tr > td > a.no_und`
Shopify `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Amazon `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Shopify `tbody > tr > td > a.no_und`
Amazon `tbody > tr > td > a.no_und`
Google `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Amazon `tbody > tr > td > a.no_und`
Oracle `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Cloudflare `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
IONOS `tbody > tr > td > a.no_und`
Microsoft `tbody > tr > td > a.no_und`
Hostinger `tbody > tr > td > a.no_und`
Let’s Encrypt `tbody > tr > td > a.no_und`
GlobalSign `tbody > tr > td > a.no_und`
GoDaddy Group `tbody > tr > td > a.no_und`
DigiCert Group `tbody > tr > td > a.no_und`
Starfield `tbody > tr > td > a.no_und`
Actalis `tbody > tr > td > a.no_und`
CDNJS `tbody > tr > td > a.no_und`
jsDelivr `tbody > tr > td > a.no_und`
jsDelivr `tbody > tr > td > a.no_und`
unpkg `tbody > tr > td > a.no_und`
AdRoll `tbody > tr > td > a.no_und`
Equativ `tbody > tr > td > a.no_und`
AdRoll `tbody > tr > td > a.no_und`
Skimlinks `tbody > tr > td > a.no_und`
WhatsApp `tbody > tr > td > a.no_und`
Facebook `tbody > tr > td > a.no_und`
Twitter/X `tbody > tr > td > a.no_und`
Pinterest `tbody > tr > td > a.no_und`
LinkedIn `tbody > tr > td > a.no_und`
WhatsApp `tbody > tr > td > a.no_und`
Telegram `tbody > tr > td > a.no_und`
VKontakte `tbody > tr > td > a.no_und`
Cookies `tbody > tr > td > a.no_und`
HTTP/3 `tbody > tr > td > a.no_und`
External CSS `tbody > tr > td > a.no_und`
Compression `tbody > tr > td > a.no_und`
Open Graph `tbody > tr > td > a.no_und`
Twitter/X Cards `tbody > tr > td > a.no_und`
JSON-LD `tbody > tr > td > a.no_und`
Open Graph `tbody > tr > td > a.no_und`
HTML `tbody > tr > td > a.no_und`
XHTML `tbody > tr > td > a.no_und`
HTML5 `tbody > tr > td > a.no_und`
HTML `tbody > tr > td > a.no_und`
Windows-1252 `tbody > tr > td > a.no_und`
Windows-1251 `tbody > tr > td > a.no_und`
PNG `tbody > tr > td > a.no_und`
JPEG `tbody > tr > td > a.no_und`
SVG `tbody > tr > td > a.no_und`
WebP `tbody > tr > td > a.no_und`
GIF `tbody > tr > td > a.no_und`
SVG `tbody > tr > td > a.no_und`
WebP `tbody > tr > td > a.no_und`
AVIF `tbody > tr > td > a.no_und`
.com `tbody > tr > td > a.no_und`
.org `tbody > tr > td > a.no_und`
.de `tbody > tr > td > a.no_und`
.br `tbody > tr > td > a.no_und`
.ru `tbody > tr > td > a.no_und`
.in `tbody > tr > td > a.no_und`
.fr `tbody > tr > td > a.no_und`
.ai `tbody > tr > td > a.no_und`
Japan `tbody > tr > td > a.no_und`
France `tbody > tr > td > a.no_und`
Brazil `tbody > tr > td > a.no_und`
Cyprus `tbody > tr > td > a.no_und`
English `tbody > tr > td > a.no_und`
Spanish `tbody > tr > td > a.no_und`
German `tbody > tr > td > a.no_und`
Japanese `tbody > tr > td > a.no_und`
French `tbody > tr > td > a.no_und`
English `tbody > tr > td > a.no_und`
Chinese `tbody > tr > td > a.no_und`

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-hidden="true"]` is not present on the document `<body>`

●Image elements have `[alt]` attributes

●Document has a `<title>` element

●`<html>` element has a `[lang]` attribute

●`<html>` element has a valid value for its `[lang]` attribute

●Links are distinguishable without relying on color.

●Links have a discernible name

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

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

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

●`[lang]` attributes have a valid value

●Heading elements appear in a sequentially-descending order

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

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

●Identical links have the same purpose.

●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.

○`[accesskey]` values are unique

○`[aria-*]` attributes match their roles

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

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

○Deprecated ARIA roles were not used

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

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

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

○Elements use only permitted ARIA attributes

○`[role]`s have all required `[aria-*]` attributes

○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

○`[role]` values are valid

○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

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

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

○Buttons have an accessible name

○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

○Form elements have associated labels

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

○`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

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

○`<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

○Elements with visible text labels have matching accessible names.

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 DOM-based XSS with Trusted Types

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

○Detected JavaScript libraries

100

SEO

○Structured data is valid

●Page isn’t blocked from indexing

●Document has a `<title>` element

●Document has a meta description

●Page has successful HTTP status code

●Links have descriptive text

●Links are crawlable

●robots.txt is valid

●Image elements have `[alt]` attributes

●Document has a valid `hreflang`

○Document has a valid `rel=canonical`

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