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Results for https://linux.org

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Spain Spain · Madrid Completed: Apr 21, 2026 23:34 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
C70

Site Health

Score: 70 / 100

Based on 8 categories, 0 sections

Decent speed, but optimizing further could improve engagement.

Several missing protections leave your users and data exposed.

Several issues make your site difficult for assistive technology users.

Missing signals may be hurting your search visibility.

Solid infrastructure — fast server responses across the board.

Mostly compliant — a few items need attention.

Missing metadata means poor previews on social media and search.

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

AngularJS · 251 peers
You 70
·
Avg 73
At average
0 50 100
Better than 15% of AngularJS sites See full AngularJS benchmark →
Cloudflare Turnstile · 265 peers
You 70
·
Avg 73
At average
0 50 100
Better than 13% of Cloudflare Turnstile sites See full Cloudflare Turnstile benchmark →

Top Priorities (5)

1

Content-Security-Policy header is missing

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

Security › Security Headers
2

HSTS header is missing

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

Security › Security Headers
3

No Content-Security-Policy header found

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

Security › Content Security Policy
4

51 third-party resources (100% of weight)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Inventory
5

Cross-Origin-Embedder-Policy header is missing

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

Security › Security Headers
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

4

High impact, low effort — start here.

Strategic

1

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →
BeaverCheck badge
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[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Flinux.org)](https://beavercheck.com/results/6960f755-f159-4a92-a624-c6dfd6edea08)
<a href="https://beavercheck.com/results/6960f755-f159-4a92-a624-c6dfd6edea08"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Flinux.org" alt="BeaverCheck Score"></a>
https://beavercheck.com/badge?url=https%3A%2F%2Flinux.org

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 LCP of 12.4s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. The 4 security gaps leave your users exposed — modern browsers increasingly warn visitors about insecure sites. Addressing the critical issues below would have the most immediate impact on your user trust.

4 security gaps detected — browsers may warn visitors about your site.
Your LCP is 12.4s — fixing the 1 performance critical could bring it under Google's 2.5s 'Good' threshold.

Conversion Barriers

1 critical 7 warning

8 barrier(s) likely increasing bounce by ~28%.

Speed (2)

Page takes 12.4s to load

+12% bounce

Users abandon at ~3s — you're 9.9s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

High main-thread blocking time

+2% bounce

Page is non-interactive for 530ms after first paint

Fix: Defer third-party scripts and split large bundles

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

Content (3)

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

No structured data

+2% bounce

No rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices

Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)

Thin content

+3% bounce

Under 300 words — visitors bounce looking for substance, search engines rank competitors first

Fix: Add a substantive FAQ, product detail, or case-study section

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

$400 investment → $2,375/month returns + USD 150,000 risk avoided

Payback period: < 1 month First-year ROI: +7026%

Investment

$400

4h · 5 findings

Monthly returns

$2,375 /mo

~$28,504 / year

  • Conversions recovered $2,375
  • Bandwidth savings $0.44

Regulatory risk avoided

USD 150,000

if kept compliant

  • ADA Title III USD 150,000

Payback period

0 12mo 24mo

$200 — 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

$400

4.0 developer hours at $100/hr

Based on United States rates ($100/hr)

Quick wins
$200 4 fixes in ~120 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions
$ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

$12,500 / month at risk

~$150,005 / year if left unfixed

Compliance Risk

$150,000

ADA Title III
  • No <nav> landmark found
    ADA Title III: USD 25,000 – USD 150,000
  • Skip navigation link is missing (WCAG 2.4.1)
    ADA Title III: USD 25,000 – USD 150,000

Bandwidth Waste

$0.44 /mo

5470.7 MB/mo × 0.080 USD/GB

  • Optimize transfer: save ~547 KB per page load
    Saves $0.44/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

Unique monthly visitors from your analytics

Purchases, signups, or key actions

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 3 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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We'll use a cached audit if available, or offer to scan.

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

47
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
80
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
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.

4.04 s

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

12.37 s

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

530 ms

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.

6.85 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.

12.42 s

Detailed Report

Audit breakdown by category with detailed findings.

47

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
www.linux.org/images/linux-org_shirt_advert3.png14400.0 s75.2 KiB
www.linux.org/js/xf/core-compiled.js?_v=96f78a6e14400.0 s53.9 KiB
www.linux.org/images/linux-youtube-300x100_3.png14400.0 s46.7 KiB
/pagead/managed/js/adsense/m202604170101/show_ads_impl_fy...1209600.0 s177.5 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
www.linux.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?14400.0 s12.4 KiB
www.linux.org/js/vendor/vendor-compiled.js?_v=96f78a6e14400.0 s5.0 KiB
www.linux.org/images/logo.png14400.0 s4.9 KiB
www.linux.org/data/avatars/m/29/29858.jpg?149548716214400.0 s3.4 KiB
analytics.ahrefs.com/analytics.js14400.0 s3.0 KiB
www.linux.org/js/8wayrun/porta/portal.min.js?_v=96f78a6e14400.0 s2.6 KiB
www.linux.org/js/8wayrun/porta/images.min.js?_v=96f78a6e14400.0 s2.3 KiB
www.linux.org/js/xf/preamble.min.js?_v=96f78a6e14400.0 s2.1 KiB
www.linux.org/data/avatars/s/29/29858.jpg?149548716214400.0 s1.6 KiB
www.linux.org/js/xf/tooltip.min.js?_v=96f78a6e_mt=undefined14400.0 s1.2 KiB
www.linux.org/styles/fa/regular/bolt.svg?v=5.15.314400.0 s906 B
www.linux.org/styles/fa/regular/search.svg?v=5.15.314400.0 s858 B
www.linux.org/styles/fa/regular/lock.svg?v=5.15.314400.0 s818 B
www.linux.org/styles/fa/regular/chevron-left.svg?v=5.15.314400.0 s781 B
www.linux.org/styles/fa/solid/forward.svg?v=5.15.314400.0 s753 B
www.linux.org/styles/fa/solid/caret-right.svg?v=5.15.314400.0 s753 B
www.linux.org/styles/fa/regular/bars.svg?v=5.15.314400.0 s751 B

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLEst Savings
/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu...40 ms

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:34.667 source:map[type:text value:[unattributed]]]]

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
div.p-body-sidebar > div > a > img div.p-body-sidebar > div > a > img
www.linux.org/images/linux-org_shirt_advert3.png74.8 KiB65.0 KiB
Linux.org YouTube Channel div > div > a > img
www.linux.org/images/linux-youtube-300x100_3.png46.1 KiB40.5 KiB
div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image
www.linux.org/articles/attachments/figure-2-jpg.29228/59.3 KiB9.0 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:339.047 label:Time to first byte subpart:timeToFirstByte] map[duration:172.382 label:Resource load delay subpart:resourceLoadDelay] map[duration:134.723 label:Resource load duration subpart:resourceLoadDuration] map[duration:1860.127 label:Element render delay subpart:elementRenderDelay]]
lhId: page-3-DIV
nodeLabel: div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image
path: 1,HTML,1,BODY,0,DIV,4,DIV,0,DIV,4,DIV,0,DIV,0,DIV,2,DIV,0,DIV,0,DIV,0,A,0,DIV
selector: div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image
snippet: <div class="porta-header-image" style="background-image: url(&quot;https://www.linux.org/articles/attachments/figure-0…&quot;);">

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-3-DIV
nodeLabel: div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image
path: 1,HTML,1,BODY,0,DIV,4,DIV,0,DIV,4,DIV,0,DIV,0,DIV,2,DIV,0,DIV,0,DIV,0,A,0,DIV
selector: div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image
snippet: <div class="porta-header-image" style="background-image: url(&quot;https://www.linux.org/articles/attachments/figure-0…&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.

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

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.

URLTransfer SizeDuration
/css.php?css=public%3Anormalize.css%2Cpublic%3Afa.css%2Cp...34.0 KiB450 ms
/css.php?css=public%3AEWRporta.less%2Cpublic%3AEWRporta_a...7.4 KiB
www.linux.org/js/xf/preamble.min.js?_v=96f78a6e2.1 KiB150 ms

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 885 ms
URLTime Spent
linux.org/885 ms
www.linux.org/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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 110 ms 45.3 KiB
URLTransfer SizeEst Savings
/css.php?css=public%3Anormalize.css%2Cpublic%3Afa.css%2Cp...33.7 KiB31.2 KiB
.fc-consent-root .fc-dialog-container.fc-fullscreen { height: 100% !important; … } …16.3 KiB14.1 KiB

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

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 2.1 s 455.3 KiB
URLTransfer SizeEst Savings
/pagead/managed/js/adsense/m202604170101/show_ads_impl_fy...177.5 KiB147.4 KiB
www.googletagmanager.com/gtag/js?id=UA-3314314-270125.0 KiB63.5 KiB
www.googletagmanager.com/gtag/js?id=G-HTNW3VXTNH&cx=c&gtm=4e64h1145.8 KiB63.0 KiB
pagead2.googlesyndication.com/pagead/js/adsbygoogle.js54.5 KiB42.6 KiB
pagead2.googlesyndication.com/pagead/js/adsbygoogle.js54.5 KiB42.6 KiB
www.linux.org/js/xf/core-compiled.js?_v=96f78a6e53.4 KiB38.2 KiB
/i/ca-pub-4059641217434021?href=https%3A%2F%2Fwww.linux.o...69.0 KiB36.1 KiB
pagead2.googlesyndication.com/pagead/js/adsbygoogle.js54.5 KiB21.8 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
www.linux.org/432 ms46 ms5.4 ms
/f/AGSKWxVGsclzdCZjGiq7u9_FqaVRgzsblrWefVJihslX_1V6zpY8ny...302 ms133 ms38 ms
Unattributable302 ms10 ms0.0 ms
www.linux.org/cdn-cgi/challenge-platform/scripts/jsd/main.js222 ms210 ms3.5 ms
/i/ca-pub-4059641217434021?href=https%3A%2F%2Fwww.linux.o...195 ms176 ms16 ms
www.googletagmanager.com/gtag/js?id=G-HTNW3VXTNH&cx=c&gtm=4e64h1189 ms154 ms34 ms
pagead2.googlesyndication.com/pagead/js/adsbygoogle.js169 ms103 ms51 ms
/pagead/managed/js/adsense/m202604170101/show_ads_impl_fy...153 ms111 ms40 ms
www.googletagmanager.com/gtag/js?id=UA-3314314-270130 ms105 ms24 ms
www.linux.org/js/xf/preamble.min.js?_v=96f78a6e104 ms76 ms0.6 ms

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation1.2 s
Style & Layout410 ms
Other388 ms
Script Parsing & Compilation231 ms
Parse HTML & CSS96 ms
Rendering36 ms
Garbage Collection9.2 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
div.p-body-sidebar > div > a > img div.p-body-sidebar > div > a > img
www.linux.org/images/linux-org_shirt_advert3.png
Linux.org YouTube Channel div > div > a > img
www.linux.org/images/linux-youtube-300x100_3.png
Linux.org div.p-nav-inner > div.p-nav-smallLogo > a > img
www.linux.org/images/logo.png

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
●Avoids enormous network payloads Total size was 1,781 KiB
●User Timing marks and measures 5 user timings
●Avoid long main-thread tasks 10 long tasks found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 50 ms
●Server Backend Latencies 80 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 190 ms
○INP breakdown
○Avoid non-composited animations
○Avoid large layout shifts
80

Accessibility

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

ARIA

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.p-navSticky > nav.p-nav > div.p-nav-inner > a.p-nav-menuTrigger div.p-navSticky > nav.p-nav > div.p-nav-inner > a.p-nav-menuTrigger

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

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
Home ul.p-breadcrumbs > li > a > span
Apr 3, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
3,667 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Mar 18, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
3,353 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Mar 15, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
4,293 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Mar 5, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
5,875 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Feb 19, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
5,587 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Feb 15, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
5,825 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Feb 8, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
6,658 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Feb 6, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
4,632 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Load more… div.p-body-content > div.p-body-pageContent > div.block > a.button
Kxsleeper div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId7
Linux Gaming div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
25 div.structItem > div.structItem-cell > dl.pairs > dd
12 minutes ago div.structItem > div.structItem-cell > a > time.structItem-latestDate
IbChristian div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId11
Mint div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
35 div.structItem > div.structItem-cell > dl.pairs > dd
36 minutes ago div.structItem > div.structItem-cell > a > time.structItem-latestDate
roshhellwett div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId15
Linux Gaming div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Yesterday at 10:37 PM div.structItem > div.structItem-cell > a > time.structItem-latestDate
LinuxNoob1 div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId19
Fedora div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Yesterday at 10:05 PM div.structItem > div.structItem-cell > a > time.structItem-latestDate
russianbear div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId23
Member Introductions div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
10 div.structItem > div.structItem-cell > dl.pairs > dd
Yesterday at 8:17 PM div.structItem > div.structItem-cell > a > time.structItem-latestDate
ivandewolf div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId27
General Linux Topics div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Yesterday at 7:41 PM div.structItem > div.structItem-cell > a > time.structItem-latestDate
Deleted member 197709 div.structItem-minor > ul.structItem-parts > li > span.username
Forum Assistance div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Yesterday at 6:40 PM div.structItem > div.structItem-cell > a > time.structItem-latestDate
Snort McDork div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId33
General Linux Topics div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
13 div.structItem > div.structItem-cell > dl.pairs > dd
Yesterday at 5:18 PM div.structItem > div.structItem-cell > a > time.structItem-latestDate
roshhellwett div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId37
Linux Audio / Video div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Yesterday at 5:13 PM div.structItem > div.structItem-cell > a > time.structItem-latestDate
Omnifitense div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId41
Laptops / Netbooks div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
18 div.structItem > div.structItem-cell > dl.pairs > dd
Yesterday at 4:10 PM div.structItem > div.structItem-cell > a > time.structItem-latestDate
Hopeless-case div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId45
Getting Started div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
40 div.structItem > div.structItem-cell > dl.pairs > dd
Yesterday at 12:03 PM div.structItem > div.structItem-cell > a > time.structItem-latestDate
osprey div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId49
Debian and derivatives div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Yesterday at 11:35 AM div.structItem > div.structItem-cell > a > time.structItem-latestDate
MoMentum div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId53
General Computing div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
47 div.structItem > div.structItem-cell > dl.pairs > dd
Yesterday at 10:47 AM div.structItem > div.structItem-cell > a > time.structItem-latestDate
FlareProto div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId57
Linux Hardware div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Yesterday at 10:10 AM div.structItem > div.structItem-cell > a > time.structItem-latestDate
Skybear div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId61
Mint div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
87 div.structItem > div.structItem-cell > dl.pairs > dd
Yesterday at 6:57 AM div.structItem > div.structItem-cell > a > time.structItem-latestDate
View more… div.block-footer > span.block-footer-controls > a.button > span.button-text
As an Amazon Associate I earn from qualifying purchases. div.p-body-inner > div.p-body-main > div.p-body-content > p
Follow Linux.org div.p-body-sidebar > div.block > div.block-container > h3.block-minorHeader
Members online div.block > div.block-container > h3.block-minorHeader > a
Trending content div.p-body-sidebar > div.block > div.block-container > h3.block-minorHeader
Skybear div.contentRow-main > div.contentRow-minor > ul.listInline > li
Apr 13, 2026 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 87 li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
JasKinasis div.contentRow-main > div.contentRow-minor > ul.listInline > li
Apr 27, 2017 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 2K li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
JulyRC div.contentRow-main > div.contentRow-minor > ul.listInline > li
Apr 7, 2026 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 87 li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
Condobloke div.contentRow-main > div.contentRow-minor > ul.listInline > li
Dec 4, 2018 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 2K li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
CaffeineAddict div.contentRow-main > div.contentRow-minor > ul.listInline > li
Sep 1, 2025 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 16 li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
IbChristian div.contentRow-main > div.contentRow-minor > ul.listInline > li
Apr 15, 2026 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 35 li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
wizardfromoz div.contentRow-main > div.contentRow-minor > ul.listInline > li
Jun 27, 2019 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 2K li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
Home ul.p-breadcrumbs > li > a > span
Learn more div.fc-dialog-content > div.fc-dialog-scrollable-content > button.fc-faq-header > span.fc-faq-label
List of partners. div.fc-dialog-scrollable-content > div.fc-footer > p > a.fc-vendors-list-dialog

These are opportunities to improve the legibility of your content.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.p-body-sidebar > div > a > img div.p-body-sidebar > div > a > img

Screen reader users rely on frame titles to describe the contents of frames. Learn more about frame titles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.p-body-main > div.p-body-sidebar > div > iframe div.p-body-main > div.p-body-sidebar > div > iframe

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.p-body-main > div.p-body-sidebar > div > a div.p-body-main > div.p-body-sidebar > div > a

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.

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
Kxsleeper div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId7
Linux Gaming div.structItem-minor > ul.structItem-parts > li > a
12 minutes ago div.structItemContainer > div.structItem > div.structItem-cell > a
IbChristian div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId11
Mint div.structItem-minor > ul.structItem-parts > li > a
roshhellwett div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId15
Linux Gaming div.structItem-minor > ul.structItem-parts > li > a
Yesterday at 10:37 PM div.structItemContainer > div.structItem > div.structItem-cell > a
LinuxNoob1 div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId19
Fedora div.structItem-minor > ul.structItem-parts > li > a
Hello, yall! div.structItem > div.structItem-cell > div.structItem-title > a#js-XFUniqueId78
russianbear div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId23
Member Introductions div.structItem-minor > ul.structItem-parts > li > a
Yesterday at 8:17 PM div.structItemContainer > div.structItem > div.structItem-cell > a
ivandewolf div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId27
General Linux Topics div.structItem-minor > ul.structItem-parts > li > a
Yesterday at 7:41 PM div.structItemContainer > div.structItem > div.structItem-cell > a
Snort McDork div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId33
General Linux Topics div.structItem-minor > ul.structItem-parts > li > a
Yesterday at 5:18 PM div.structItemContainer > div.structItem > div.structItem-cell > a
roshhellwett div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId37
Linux Audio / Video div.structItem-minor > ul.structItem-parts > li > a
Yesterday at 5:13 PM div.structItemContainer > div.structItem > div.structItem-cell > a
Omnifitense div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId41
Laptops / Netbooks div.structItem-minor > ul.structItem-parts > li > a
Yesterday at 4:10 PM div.structItemContainer > div.structItem > div.structItem-cell > a
Hopeless-case div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId45
Getting Started div.structItem-minor > ul.structItem-parts > li > a
Yesterday at 12:03 PM div.structItemContainer > div.structItem > div.structItem-cell > a
Using apt history commands div.structItem > div.structItem-cell > div.structItem-title > a#js-XFUniqueId85
osprey div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId49
Debian and derivatives div.structItem-minor > ul.structItem-parts > li > a
MoMentum div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId53
General Computing div.structItem-minor > ul.structItem-parts > li > a
Yesterday at 10:47 AM div.structItemContainer > div.structItem > div.structItem-cell > a
FlareProto div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId57
Mint div.structItem-minor > ul.structItem-parts > li > a

These items highlight common accessibility best practices.

○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-*]` attributes match their roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●`[role]`s have all required `[aria-*]` attributes
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●ARIA attributes are used as specified for the element's role
●Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
●Definition list items are wrapped in `<dl>` elements
●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.
●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
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
●Uses ARIA roles only on compatible elements
●Identical links have the same purpose.
●Elements with visible text labels have matching accessible names.
○`[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
○ARIA IDs are unique
○No form fields have multiple labels
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○Form elements have associated labels
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Image elements do not have `[alt]` attributes that are redundant text.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
77

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
SharedStorage
www.linux.org/cdn-cgi/challenge-platform/scripts/jsd/main.js
StorageType.persistent is deprecated. Please use standardized navigator.storage instead.
www.linux.org/cdn-cgi/challenge-platform/scripts/jsd/main.js
Fledge
www.linux.org/cdn-cgi/challenge-platform/scripts/jsd/main.js

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
www.linux.org/ line 3537, col 0
Error: <svg> attribute viewBox: Unexpected end of attribute. Expected number, "".
www.linux.org/ line 267, col 1
ReferenceError: $ is not defined at https://www.linux.org/:268:2
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate DOM-based XSS with Trusted Types
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
○Detected JavaScript libraries
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

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.p-body-sidebar > div > a > img div.p-body-sidebar > div > a > img

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 have descriptive text
●Links are crawlable
●robots.txt is valid
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

67
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
83
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
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.

775 ms

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

1.62 s

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

6 ms

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

0.991

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

1.50 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.

2.93 s

Detailed Report

Audit breakdown by category with detailed findings.

67

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
www.linux.org/images/linux-org_shirt_advert3.png14400.0 s75.3 KiB
www.linux.org/js/xf/core-compiled.js?_v=96f78a6e14400.0 s53.8 KiB
www.linux.org/images/linux-youtube-300x100_3.png14400.0 s46.6 KiB
/pagead/managed/js/adsense/m202604160101/show_ads_impl_fy...1209600.0 s177.5 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
www.linux.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?14400.0 s12.7 KiB
www.linux.org/images/logo.png14400.0 s5.0 KiB
www.linux.org/js/vendor/vendor-compiled.js?_v=96f78a6e14400.0 s5.0 KiB
www.linux.org/data/avatars/s/76/76114.jpg?172337169614400.0 s4.7 KiB
analytics.ahrefs.com/analytics.js14400.0 s3.0 KiB
www.linux.org/js/8wayrun/porta/portal.min.js?_v=96f78a6e14400.0 s2.6 KiB
www.linux.org/js/8wayrun/porta/images.min.js?_v=96f78a6e14400.0 s2.3 KiB
www.linux.org/js/xf/preamble.min.js?_v=96f78a6e14400.0 s2.3 KiB
www.linux.org/data/avatars/s/222/222660.jpg?177286673414400.0 s2.0 KiB
www.linux.org/data/avatars/s/102/102591.jpg?177465945114400.0 s1.7 KiB
www.linux.org/data/avatars/s/225/225205.jpg?177677267014400.0 s1.7 KiB
www.linux.org/data/avatars/s/28/28901.jpg?161778734814400.0 s1.7 KiB
www.linux.org/data/avatars/s/224/224675.jpg?177609565814400.0 s1.6 KiB
www.linux.org/data/avatars/s/139/139379.jpg?171534403414400.0 s1.6 KiB
www.linux.org/data/avatars/s/29/29858.jpg?149548716214400.0 s1.6 KiB
www.linux.org/data/avatars/s/0/9.jpg?149307794014400.0 s1.5 KiB
www.linux.org/data/avatars/s/150/150984.jpg?169637640414400.0 s1.5 KiB
www.linux.org/data/avatars/s/97/97406.jpg?159002859214400.0 s1.5 KiB
www.linux.org/data/avatars/s/28/28931.jpg?154037005514400.0 s1.4 KiB
www.linux.org/data/avatars/s/205/205537.jpg?174586712714400.0 s1.4 KiB
www.linux.org/data/avatars/s/174/174040.jpg?172673685314400.0 s1.3 KiB
www.linux.org/js/xf/tooltip.min.js?_v=96f78a6e_mt=undefined14400.0 s1.2 KiB
www.linux.org/styles/fa/regular/search.svg?v=5.15.314400.0 s857 B
www.linux.org/styles/fa/regular/lock.svg?v=5.15.314400.0 s825 B
www.linux.org/styles/fa/regular/angle-right.svg?v=5.15.314400.0 s764 B
www.linux.org/styles/fa/solid/caret-right.svg?v=5.15.314400.0 s757 B
www.linux.org/styles/fa/solid/caret-down.svg?v=5.15.314400.0 s744 B
www.linux.org/cdn-cgi/challenge-platform/scripts/jsd/main.js14400.0 s0 B

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:0.990515] map[node:map[boundingRect:map[bottom:3106 height:1033 left:10 right:1030 top:2073 width:1020] lhId:page-9-DIV nodeLabel:Latest posts K 7dtd game launcher Kxsleeper Mar 20, 2026 Linux Gaming 2 Rep… path:1,HTML,1,BODY,0,DIV,4,DIV,0,DIV,4,DIV,0,DIV,0,DIV,6,DIV selector:div.p-body-main > div.p-body-content > div.p-body-pageContent > div.porta-articles-below-full snippet:<div class="porta-articles-below-full"> type:node] score:0.469738 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2]]] type:subitems]] map[node:map[boundingRect:map[bottom:3106 height:1033 left:10 right:1030 top:2073 width:1020] lhId:page-9-DIV nodeLabel:Latest posts K 7dtd game launcher Kxsleeper Mar 20, 2026 Linux Gaming 2 Rep… path:1,HTML,1,BODY,0,DIV,4,DIV,0,DIV,4,DIV,0,DIV,0,DIV,6,DIV selector:div.p-body-main > div.p-body-content > div.p-body-pageContent > div.porta-articles-below-full snippet:<div class="porta-articles-below-full"> type:node] score:0.351844] map[node:map[boundingRect:map[bottom:3130 height:2646 left:10 right:1340 top:483 width:1330] lhId:page-4-DIV nodeLabel:Getting Started with the Radxa X5 SBC on Linux APR 03 Apr 3, 2026 Jarret B 3… path:1,HTML,1,BODY,0,DIV,4,DIV,0,DIV,4,DIV selector:div#top > div.p-body > div.p-body-inner > div.p-body-main snippet:<div class="p-body-main p-body-main--withSidebar "> type:node] score:0.168933]]

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLEst Savings
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/webfonts/fa-solid-900.woff270 ms
/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu...40 ms

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:42.37 source:map[type:text value:[unattributed]]]]

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
div.p-body-sidebar > div > a > img div.p-body-sidebar > div > a > img
www.linux.org/images/linux-org_shirt_advert3.png74.8 KiB65.0 KiB
Linux.org YouTube Channel div > div > a > img
www.linux.org/images/linux-youtube-300x100_3.png46.1 KiB42.5 KiB
div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image
www.linux.org/articles/attachments/figure-2-jpg.29228/59.3 KiB9.0 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-3-DIV
nodeLabel: div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image
path: 1,HTML,1,BODY,0,DIV,4,DIV,0,DIV,4,DIV,0,DIV,0,DIV,2,DIV,2,DIV,0,DIV,0,A,0,DIV
selector: div.porta-article-item > div.block-container > a.porta-article-header > div.porta-header-image
snippet: <div class="porta-header-image" style="background-image: url(&quot;https://www.linux.org/articles/attachments/figure-4…&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.

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

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.

URLTransfer SizeDuration
/css.php?css=public%3Anormalize.css%2Cpublic%3Afa.css%2Cp...34.2 KiB107 ms
/css.php?css=public%3AEWRporta.less%2Cpublic%3AEWRporta_a...7.5 KiB147 ms
www.linux.org/js/xf/preamble.min.js?_v=96f78a6e2.3 KiB147 ms

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 349 ms
URLTime Spent
linux.org/349 ms
www.linux.org/0.0 ms

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.

ElementLayout shift score
Latest posts K 7dtd game launcher Kxsleeper Mar 20, 2026 Linux Gaming 2 Rep… div.p-body-main > div.p-body-content > div.p-body-pageContent > div.porta-articles-below-full
0.470
Latest posts K 7dtd game launcher Kxsleeper Mar 20, 2026 Linux Gaming 2 Rep… div.p-body-main > div.p-body-content > div.p-body-pageContent > div.porta-articles-below-full
0.352
Getting Started with the Radxa X5 SBC on Linux APR 03 Apr 3, 2026 Jarret B 3… div#top > div.p-body > div.p-body-inner > div.p-body-main
0.169

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 40 ms 63.5 KiB
URLTransfer SizeEst Savings
/css.php?css=public%3Anormalize.css%2Cpublic%3Afa.css%2Cp...33.7 KiB31.1 KiB
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css18.4 KiB18.3 KiB
.fc-consent-root .fc-dialog-container.fc-fullscreen { height: 100% !important; … } …16.3 KiB14.1 KiB

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

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 0.0 ms 459.0 KiB
URLTransfer SizeEst Savings
/pagead/managed/js/adsense/m202604160101/show_ads_impl_fy...177.5 KiB147.9 KiB
www.googletagmanager.com/gtag/js?id=G-HTNW3VXTNH&cx=c&gtm=4e64h1145.8 KiB63.7 KiB
www.googletagmanager.com/gtag/js?id=UA-3314314-270125.0 KiB63.5 KiB
pagead2.googlesyndication.com/pagead/js/adsbygoogle.js54.4 KiB43.4 KiB
pagead2.googlesyndication.com/pagead/js/adsbygoogle.js54.4 KiB43.4 KiB
www.linux.org/js/xf/core-compiled.js?_v=96f78a6e53.3 KiB38.1 KiB
/i/ca-pub-4059641217434021?href=https%3A%2F%2Fwww.linux.o...69.0 KiB36.1 KiB
pagead2.googlesyndication.com/pagead/js/adsbygoogle.js54.4 KiB22.8 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
div.p-body-sidebar > div > a > img div.p-body-sidebar > div > a > img
www.linux.org/images/linux-org_shirt_advert3.png
Linux.org YouTube Channel div > div > a > img
www.linux.org/images/linux-youtube-300x100_3.png
Linux.org div.p-header-content > div.p-header-logo > a > img
www.linux.org/images/logo.png

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

●Optimize DOM size
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Max Potential First Input Delay 60 ms
●Minify CSS
●Minify JavaScript
●Avoids enormous network payloads Total size was 1,977 KiB
●User Timing marks and measures 5 user timings
●JavaScript execution time 0.4 s
●Minimizes main-thread work 1.0 s
●Avoid long main-thread tasks 3 long tasks found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 50 ms
●Server Backend Latencies 90 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 180 ms
○INP breakdown
○Avoid non-composited animations
83

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
Apr 3, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
3,667 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Mar 18, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
3,353 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Mar 15, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
4,293 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Mar 5, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
5,875 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Feb 19, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
5,587 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Feb 15, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
5,825 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Feb 8, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
6,658 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Feb 6, 2026 ul.listInline > li > a.u-concealed > time.u-dt
Jarret B div.message-attribution-main > ul.listInline > li > a.u-concealed
4,632 header.message-attribution > div.message-attribution-opposite > ul.listInline > li
Load more… div.p-body-content > div.p-body-pageContent > div.block > a.button
Kxsleeper div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId7
Linux Gaming div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
962 div.structItem > div.structItem-cell > dl.pairs > dd
Kxsleeper div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId8
IbChristian div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId11
Mint div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
1K div.structItem > div.structItem-cell > dl.pairs > dd
IbChristian div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId12
roshhellwett div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId15
Linux Gaming div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
130 div.structItem > div.structItem-cell > dl.pairs > dd
APTI div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId16
LinuxNoob1 div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId19
Fedora div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
290 div.structItem > div.structItem-cell > dl.pairs > dd
LinuxNoob1 div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId20
russianbear div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId23
Member Introductions div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
525 div.structItem > div.structItem-cell > dl.pairs > dd
KGIII div.structItem-cell > div.structItem-minor > a#js-XFUniqueId24 > span.username--staff
ivandewolf div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId27
General Linux Topics div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
41 div.structItem > div.structItem-cell > dl.pairs > dd
ivandewolf div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId28
Deleted member 197709 div.structItem-minor > ul.structItem-parts > li > span.username
Forum Assistance div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
126 div.structItem > div.structItem-cell > dl.pairs > dd
KGIII div.structItem-cell > div.structItem-minor > a#js-XFUniqueId30 > span.username--staff
Snort McDork div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId33
General Linux Topics div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
1K div.structItem > div.structItem-cell > dl.pairs > dd
roshhellwett div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId34
roshhellwett div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId37
Linux Audio / Video div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
110 div.structItem > div.structItem-cell > dl.pairs > dd
roshhellwett div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId38
Omnifitense div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId41
Laptops / Netbooks div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
675 div.structItem > div.structItem-cell > dl.pairs > dd
Omnifitense div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId42
Hopeless-case div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId45
Getting Started div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
3K div.structItem > div.structItem-cell > dl.pairs > dd
Hopeless-case div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId46
osprey div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId49
Debian and derivatives div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
221 div.structItem > div.structItem-cell > dl.pairs > dd
osprey div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId50
MoMentum div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId53
General Computing div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
3K div.structItem > div.structItem-cell > dl.pairs > dd
rado84 div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId54
FlareProto div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId57
Linux Hardware div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
111 div.structItem > div.structItem-cell > dl.pairs > dd
CaffeineAddict div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId58
Skybear div.structItem-minor > ul.structItem-parts > li > a#js-XFUniqueId61
Mint div.structItem-minor > ul.structItem-parts > li > a
Replies div.structItem > div.structItem-cell > dl.pairs > dt
Views div.structItem > div.structItem-cell > dl.pairs > dt
3K div.structItem > div.structItem-cell > dl.pairs > dd
Skybear div.structItem > div.structItem-cell > div.structItem-minor > a#js-XFUniqueId62
View more… div.block-footer > span.block-footer-controls > a.button > span.button-text
As an Amazon Associate I earn from qualifying purchases. div.p-body-inner > div.p-body-main > div.p-body-content > p
Follow Linux.org div.p-body-sidebar > div.block > div.block-container > h3.block-minorHeader
Members online div.block > div.block-container > h3.block-minorHeader > a
Trending content div.p-body-sidebar > div.block > div.block-container > h3.block-minorHeader
Skybear div.contentRow-main > div.contentRow-minor > ul.listInline > li
Apr 13, 2026 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 87 li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
JasKinasis div.contentRow-main > div.contentRow-minor > ul.listInline > li
Apr 27, 2017 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 2K li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
JulyRC div.contentRow-main > div.contentRow-minor > ul.listInline > li
Apr 7, 2026 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 87 li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
Condobloke div.contentRow-main > div.contentRow-minor > ul.listInline > li
Dec 4, 2018 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 2K li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
CaffeineAddict div.contentRow-main > div.contentRow-minor > ul.listInline > li
Sep 1, 2025 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 16 li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
IbChristian div.contentRow-main > div.contentRow-minor > ul.listInline > li
Apr 15, 2026 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 35 li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
wizardfromoz div.contentRow-main > div.contentRow-minor > ul.listInline > li
Jun 27, 2019 div.contentRow-minor > ul.listInline > li > time.u-dt
Replies: 2K li.block-row > div.contentRow > div.contentRow-main > div.contentRow-minor
Home ul.p-breadcrumbs > li > a > span
Learn more div.fc-dialog-content > div.fc-dialog-scrollable-content > button.fc-faq-header > span.fc-faq-label
List of partners. div.fc-dialog-scrollable-content > div.fc-footer > p > a.fc-vendors-list-dialog

These are opportunities to improve the legibility of your content.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.p-body-sidebar > div > a > img div.p-body-sidebar > div > a > img

Screen reader users rely on frame titles to describe the contents of frames. Learn more about frame titles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.p-body-main > div.p-body-sidebar > div > iframe div.p-body-main > div.p-body-sidebar > div > iframe

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.block-container > div.block-footer > div.block-footer-controls > a.button div.block-container > div.block-footer > div.block-footer-controls > a.button
div.p-body-main > div.p-body-sidebar > div > a div.p-body-main > div.p-body-sidebar > div > a

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.

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
Feb 8, 2026 div.message-attribution-main > ul.listInline > li > a.u-concealed
Review: Libre Computer Solitude AML-S905D3-CC Single Board Computer div.porta-article-item > div.block-container > h2.block-header > a
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These items highlight common accessibility best practices.

○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-*]` attributes match their roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●`[role]`s have all required `[aria-*]` attributes
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●`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
●`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
●Definition list items are wrapped in `<dl>` elements
●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.
●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
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
●Uses ARIA roles only on compatible elements
●Identical links have the same purpose.
●Elements with visible text labels have matching accessible names.
○`[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
○ARIA IDs are unique
○No form fields have multiple labels
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○Form elements have associated labels
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Image elements do not have `[alt]` attributes that are redundant text.
○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.
73

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
SharedStorage
www.linux.org/cdn-cgi/challenge-platform/scripts/jsd/main.js
StorageType.persistent is deprecated. Please use standardized navigator.storage instead.
www.linux.org/cdn-cgi/challenge-platform/scripts/jsd/main.js
Fledge
www.linux.org/cdn-cgi/challenge-platform/scripts/jsd/main.js

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
www.linux.org/ line 3537, col 0
Error: <svg> attribute viewBox: Unexpected end of attribute. Expected number, "".
www.linux.org/ line 267, col 1
ReferenceError: $ is not defined at https://www.linux.org/:268:2

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Content security policy
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●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
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

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.p-body-sidebar > div > a > img div.p-body-sidebar > div > a > img

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 have descriptive text
●Links are crawlable
●robots.txt is valid
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

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