Netherlands · Amsterdam Completed: Apr 21, 2026 22:13 UTCMobile 375 × 812
Desktop 1440 × 900
Score: 73 / 100
Based on 8 categories, 0 sections
Decent speed, but optimizing further could improve engagement.
Good foundation, but a few gaps could be exploited.
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.
Reasonable footprint with room for optimization.
The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.
Weights reflect general web best practices. Individual needs may differ.
Cookie '__cflb' is missing the Secure flag
Security gaps expose your site and users to attacks, eroding trust.
Cookie 'prov' is missing the Secure flag
Security gaps expose your site and users to attacks, eroding trust.
49 third-party resources (62% of weight)
Performance issues directly impact user engagement and conversion rates.
Cookie '__cf_bm' has no SameSite attribute
Security gaps expose your site and users to attacks, eroding trust.
Cookie 'prov' has no SameSite attribute
Security gaps expose your site and users to attacks, eroding trust.
High impact, low effort — start here.
High impact, requires investment.
Small gains, minimal effort.
Nothing in this quadrant — good news.
Low impact, high effort — do last.
Nothing in this quadrant — good news.
[](https://beavercheck.com/results/360899fb-d54a-4ec5-9d57-ca873ca3f7a7)<a href="https://beavercheck.com/results/360899fb-d54a-4ec5-9d57-ca873ca3f7a7"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fsuperuser.com" alt="BeaverCheck Score"></a>https://beavercheck.com/badge?url=https%3A%2F%2Fsuperuser.comThis badge auto-updates with your latest scan result.
Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Your LCP of 14.8s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. Addressing the critical issues below would have the most immediate impact on your user trust.
8 barrier(s) likely increasing bounce by ~30%.
Page takes 14.8s to load
+12% bounceUsers abandon at ~3s — you're 12.3s over the 2.5s threshold
Fix: Optimize render-blocking resources, preload the hero image, and compress images
Page feels frozen for 3.3s
+5% bounceClicks on the primary CTA are ignored while JavaScript runs
Fix: Break up long tasks; defer non-critical JavaScript to post-hydration
No Content-Security-Policy header
+1% bounceHigher XSS blast radius — one compromised script can exfiltrate the checkout form
Fix: Ship a reporting-only CSP first, then enforce once violations are clean
No Open Graph tags
+2% bounceLinks 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% bounceNo 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% bounceUnder 300 words — visitors bounce looking for substance, search engines rank competitors first
Fix: Add a substantive FAQ, product detail, or case-study section
Content is hard to read
+2% bounceGraduate-level reading difficulty — limits the addressable audience for product or blog pages
Fix: Shorten sentences; replace jargon with plain language; target Flesch ease ≥60
No skip-to-content link
+1% bounceKeyboard 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.
$400 investment → $0.49/month returns + USD 150,000 risk avoided
$400
4h · 5 findings
$0.49 /mo
~$5.92 / year
USD 150,000
if kept compliant
$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.
4.0 developer hours at $100/hr
Based on United States rates ($100/hr)
Start here for the best return on investment
$12,500 / month at risk
~$150,006 / year if left unfixed
$150,000
$0.49 /mo
6164.8 MB/mo × 0.080 USD/GB
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.
Unique monthly visitors from your analytics
Purchases, signups, or key actions
Optional — for revenue estimation
more engaged visitors from reduced bounce
Fix 2 critical issues to capture this value
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
Your data stays in your browser — nothing is sent to our servers
Thanks for your feedback!
We'll use a cached audit if available, or offer to scan.
Industry-standard audits powered by Google Lighthouse.
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.
4.66 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
14.79 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
3.32 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
7.17 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.
14.97 s
Audit breakdown by category with detailed findings.
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
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
Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.
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.
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.
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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Duration |
|---|---|---|
| superuser.com/px.js?ch=1 | 369 B | |
| superuser.com/px.js?ch=2 | 543 B | |
| superuser.com/Content/Js/stub.en.js?v=e307fb81e738 | 18.0 KiB | |
| superuser.com/Content/Shared/stacks.css?v=b2264ccf0463 | 110.2 KiB | 1.4 s |
| superuser.com/Content/Sites/superuser/primary.css?v=ae45545ad649 | 69.6 KiB | 313 ms |
| superuser.com/Content/Js/google-analytics.en.js?v=48615a9a9bc4 | 2.4 KiB | 157 ms |
| superuser.com/Content/Shared/Channels/channels.css?v=d431b1be5a03 | 4.6 KiB | |
| cdn.cookielaw.org/scripttemplates/gpp.stub.js | 1.9 KiB | 768 ms |
| ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js | 30.4 KiB | 1.2 s |
| cdn.cookielaw.org/scripttemplates/otSDKStub.js | 9.1 KiB | 152 ms |
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
div#hot-network-questions > ul > li.js-hidden > div.favicon div#hot-network-questions > ul > li.js-hidden > div.favicon | superuser.com/Content/Img/favicons-sprite32.png?v=91e30776b0a0 | 274.8 KiB | 200.7 KiB |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| superuser.com/Content/Shared/stacks.css?v=b2264ccf0463 | 110.1 KiB | 104.5 KiB |
| superuser.com/Content/Sites/superuser/primary.css?v=ae45545ad649 | 69.5 KiB | 65.0 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.
Multi-megabyte JavaScript bundles delay every interactive feature on the page.
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
| URL | Transfer Size | Est Savings |
|---|---|---|
| /pagead/managed/js/gpt/m202604200101/pubads_impl.js?cb=31... | 187.7 KiB | 125.9 KiB |
| superuser.com/Content/Js/full-anon.en.js?v=037e97b07fca | 128.7 KiB | 94.3 KiB |
| /prebid/9.30.0.js?fork=1&v=bf6611fc0393cee6578a23c9bb5689... | 130.3 KiB | 93.9 KiB |
| accounts.google.com/gsi/client | 95.3 KiB | 71.7 KiB |
| raven-static.aditude.io/prod/1.19.14-y0ptsc/raven.js | 106.9 KiB | 63.3 KiB |
| www.googletagmanager.com/gtag/js?id=G-S812YQPLT2 | 154.3 KiB | 60.1 KiB |
| cdn.cookielaw.org/scripttemplates/202602.1.0/otBannerSdk.js | 89.0 KiB | 49.9 KiB |
| /stackoverflow-M6HzSe6yue/mapping.base/prebid-wrapper.js | 83.7 KiB | 32.7 KiB |
| superuser.com/Content/Js/webpack-chunks/svelte.en.js?v=f773033c4e0b | 32.0 KiB | 31.8 KiB |
| securepubads.g.doubleclick.net/tag/js/gpt.js | 33.8 KiB | 24.1 KiB |
| /Content/Js/third-party/npm/@stackoverflow/stacks/dist/js... | 30.4 KiB | 20.4 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.
Performance issues directly impact user engagement and conversion rates.
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
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 4.8 s |
| Style & Layout | 914 ms |
| Other | 897 ms |
| Script Parsing & Compilation | 840 ms |
| Parse HTML & CSS | 225 ms |
| Garbage Collection | 172 ms |
| Rendering | 85 ms |
Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache
Performance issues directly impact user engagement and conversion rates.
| Failure reason | Failure type |
|---|---|
| Pages with WebSocket cannot enter back/forward cache. | Pending browser support |
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Performance issues directly impact user engagement and conversion rates.
| URL | |
|---|---|
Super User header.site-header > div.site-header--container > a.site-header--link > img.h-auto | superuser.com/Content/Sites/superuser/Img/logo.svg?v=4bc8a703ebac |
More information about the performance of your application. These numbers don't directly affect the Performance score.
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.
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Ask Question div#mainbar > div.d-flex > div.ml12 > a.ws-nowrap |
more tags div#mainbar > div.d-flex > div.flex--item > a.more-tags |
Broken name resolution and connection on wireguard interface when devices are o… div#question-summary-1936943 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Mihir div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
8k div#question-summary-1128864 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1128864 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Automated PuTTY session load and commands div#question-summary-1128864 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Community div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
4k div#question-summary-334139 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-334139 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Executable does not exist in /usr/local/bin, but it does in /usr/bin, yet it st… div#question-summary-334139 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Community div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
How to set an alias in Windows Command Line? div#question-summary-560519 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Qwerty div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
Windows batch files: popd returns 0 error code but still triggers || conditiona… div#question-summary-1936942 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Regus Pregus div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
How do I preview a camera in Microsoft Teams? div#question-summary-1936916 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Manngo div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
How do you find out the version number of Microsoft Publisher by clicking butto… div#question-summary-1936902 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
cachius div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
33k div#question-summary-926077 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-926077 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Remove entry from Microsoft Word Navigation Pane div#question-summary-926077 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
AJM div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
7k div#question-summary-1491600 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1491600 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
How can I set my preferred game controller through the registry? div#question-summary-1491600 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Community div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
8k div#question-summary-1004515 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1004515 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
how to fix unknown directive error in nginx? div#question-summary-1004515 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Community div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
9k div#question-summary-1485706 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1485706 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
How to delete Search History in Outlook 2016 div#question-summary-1485706 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
AJM div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
1k div#question-summary-1718873 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1718873 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Windows Unable to delete file with reserved name div#question-summary-1718873 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
AJM div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
10k div#question-summary-725630 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-725630 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Where can I find the xmodemsend command in TeraTerm? div#question-summary-725630 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Fady GG div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
1k div#question-summary-1186984 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1186984 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Combine multiple ifs in bash div#question-summary-1186984 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Kamil Maciorowski div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
Browse more Questions div#content > div.inner-content > div#mainbar > a.s-btn |
Numerical iterative solution of a self-consistent non-linear integral equation div#hot-network-questions > ul > li > a.js-gps-track |
If I throw a dildo during a basketball game to win a Kalshi bet, am I guilty of… div#hot-network-questions > ul > li > a.js-gps-track |
What did Jesus mean by we will do greater things than he did div#hot-network-questions > ul > li > a.js-gps-track |
How do I preview a camera in Microsoft Teams? div#hot-network-questions > ul > li > a.js-gps-track |
Intro to Smooth Manifolds by Lee, Problem 6-13c div#hot-network-questions > ul > li > a.js-gps-track |
80’s sci-fi show where the main character is picking up random stuff from trash… div#hot-network-questions > ul > li > a.js-gps-track |
Strange bracket matching problem in exam class with the use of `\half` command div#hot-network-questions > ul > li > a.js-gps-track |
How to get the timestamp of an electronic signature in PDF? div#hot-network-questions > ul > li > a.js-gps-track |
Op-amp LED driver: residual current at Vin = 0 V div#hot-network-questions > ul > li > a.js-gps-track |
How can I easily get an approximate measurement for the soil bearing strength w… div#hot-network-questions > ul > li > a.js-gps-track |
An editor told to resubmit my journal paper as a new submission; I did and a di… div#hot-network-questions > ul > li > a.js-gps-track |
HTTP 400 "Bad Request" - how may I diagnose this from server side? div#hot-network-questions > ul > li > a.js-gps-track |
Story of planet where people telepathically know others' needs, show up where n… div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Isn't the voltage divider on the right equivalent of the one on the left? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
LibreOffice added blue dots and a "Responsible" field on each page after saving… div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Why does a mixed regression model return only one of two highly correlated vari… div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Why present perfect simple but not continuous? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Why is "cross" used for stage movements in scripts? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
How should I contextualise group theory results? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
What are the impacts of a homebrew feature allowing Ready as a bonus action? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Determining a quadrilateral up to similarity with four angles div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
How do believers in ontological randomness explain why the universe follows sta… div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Be troubled with div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
KVM bridged networking with a single network adapter and external DHCP? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Recent questions feed div.inner-content > div#sidebar > div#feed-link > a |
SUPER USER nav.site-footer--nav > div.site-footer--col > h5.-title > a |
COMPANY nav.site-footer--nav > div.site-footer--col > h5.-title > a.js-gps-track |
STACK EXCHANGE NETWORK div.site-footer--col > div > h5.-title > a |
Site design / logo © 2026 Stack Exchange Inc; div.site-footer--container > div.site-footer--copyright > p.md:mb0 > span |
user contributions licensed under div.site-footer--container > div.site-footer--copyright > p.md:mb0 > span |
rev 2026.4.21.42306 div.site-footer--container > div.site-footer--copyright > p.md:mb0 > span#svnrev |
These are opportunities to improve the legibility of your content.
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Broken name resolution and connection on wireguard interface when devices are o… div > div#question-summary-1936943 > div.s-post-summary--content > h3.s-post-summary--content-title |
These are opportunities to improve keyboard navigation in your application.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
body.home-page > header.s-topbar > div.s-topbar--container > a.s-topbar--menu-btn body.home-page > header.s-topbar > div.s-topbar--container > a.s-topbar--menu-btn |
body.home-page > header.s-topbar > div.s-topbar--container > a.s-topbar--logo body.home-page > header.s-topbar > div.s-topbar--container > a.s-topbar--logo |
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.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Technology div > ul.-list > li > a.-link |
Business div > ul.-list > li > a.-link |
These items highlight common accessibility best practices.
Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.
Performance issues directly impact user engagement and conversion rates.
| URL | Displayed size | Actual size | Expected size | |
|---|---|---|---|---|
site logo div.s-modal--dialog > h1#signup-modal-title > div.s-modal--header > img.h48 | superuser.com/Content/Sites/superuser/Img/icon-48.png?v=9e499a07ff97 | 48 x 48 | 48 x 48 | 72 x 72 |
Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.
Performance issues directly impact user engagement and conversion rates.
| Deprecation / Warning | Source |
|---|---|
| SharedStorage | |
| StorageType.persistent is deprecated. Please use standardized navigator.storage instead. | |
| Fledge |
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
Performance issues directly impact user engagement and conversion rates.
| Source | Description |
|---|---|
Not signed in with the identity provider. |
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.
Descriptive link text helps search engines understand your content. Learn how to make links more accessible.
Performance issues directly impact user engagement and conversion rates.
| Link destination | Link Text |
|---|---|
| /internal/?utm_medium=referral&utm_source=superuser-commu... | Learn more |
| /internal/?utm_medium=referral&utm_source=superuser-commu... | Learn more |
Format your HTML in a way that enables crawlers to better understand your app’s content.
Industry-standard audits powered by Google Lighthouse. — Desktop
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.
680 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.85 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
218 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.001
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.46 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
Audit breakdown by category with detailed findings.
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
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
Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.
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.
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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
div#hot-network-questions > ul > li.js-hidden > div.favicon div#hot-network-questions > ul > li.js-hidden > div.favicon | superuser.com/Content/Img/favicons-sprite16.png?v=7c49858b1c47 | 87.4 KiB | 68.8 KiB |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| superuser.com/Content/Shared/stacks.css?v=b2264ccf0463 | 110.1 KiB | 104.3 KiB |
| superuser.com/Content/Sites/superuser/primary.css?v=ae45545ad649 | 69.5 KiB | 65.4 KiB |
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Multi-megabyte JavaScript bundles delay every interactive feature on the page.
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
| URL | Transfer Size | Est Savings |
|---|---|---|
| /pagead/managed/js/gpt/m202604160201/pubads_impl.js | 187.7 KiB | 124.2 KiB |
| superuser.com/Content/Js/full-anon.en.js?v=037e97b07fca | 128.7 KiB | 94.3 KiB |
| /prebid/9.30.0.js?fork=1&v=bf6611fc0393cee6578a23c9bb5689... | 130.3 KiB | 93.9 KiB |
| cdn.cookielaw.org/scripttemplates/202602.1.0/otBannerSdk.js | 128.8 KiB | 72.2 KiB |
| accounts.google.com/gsi/client | 95.4 KiB | 71.4 KiB |
| raven-static.aditude.io/prod/1.19.14-y0ptsc/raven.js | 106.8 KiB | 63.3 KiB |
| www.googletagmanager.com/gtag/js?id=G-S812YQPLT2 | 154.3 KiB | 60.0 KiB |
| /stackoverflow-M6HzSe6yue/mapping.base/prebid-wrapper.js | 83.6 KiB | 32.6 KiB |
| superuser.com/Content/Js/webpack-chunks/svelte.en.js?v=f773033c4e0b | 32.0 KiB | 31.8 KiB |
| /Content/Js/third-party/npm/@stackoverflow/stacks/dist/js... | 30.4 KiB | 21.7 KiB |
Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache
Performance issues directly impact user engagement and conversion rates.
| Failure reason | Failure type |
|---|---|
| Pages with WebSocket cannot enter back/forward cache. | Pending browser support |
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Performance issues directly impact user engagement and conversion rates.
| URL | |
|---|---|
Super User header.site-header > div.site-header--container > a.site-header--link > img.h-auto | superuser.com/Content/Sites/superuser/Img/logo.svg?v=4bc8a703ebac |
More information about the performance of your application. These numbers don't directly affect the Performance score.
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.
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Try for free ol.nav-links > li.js-freemium-cta > div.px8 > a.w100 |
Ask Question div#mainbar > div.d-flex > div.ml12 > a.ws-nowrap |
more tags div#mainbar > div.d-flex > div.flex--item > a.more-tags |
Broken name resolution and connection on wireguard interface when devices are o… div#question-summary-1936943 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Mihir div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
8k div#question-summary-1128864 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1128864 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Automated PuTTY session load and commands div#question-summary-1128864 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Community div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
4k div#question-summary-334139 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-334139 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Executable does not exist in /usr/local/bin, but it does in /usr/bin, yet it st… div#question-summary-334139 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Community div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
How to set an alias in Windows Command Line? div#question-summary-560519 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Qwerty div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
Windows batch files: popd returns 0 error code but still triggers || conditiona… div#question-summary-1936942 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Regus Pregus div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
How do I preview a camera in Microsoft Teams? div#question-summary-1936916 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Manngo div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
How do you find out the version number of Microsoft Publisher by clicking butto… div#question-summary-1936902 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
cachius div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
33k div#question-summary-926077 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-926077 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Remove entry from Microsoft Word Navigation Pane div#question-summary-926077 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
AJM div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
7k div#question-summary-1491600 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1491600 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
How can I set my preferred game controller through the registry? div#question-summary-1491600 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Community div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
8k div#question-summary-1004515 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1004515 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
how to fix unknown directive error in nginx? div#question-summary-1004515 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Community div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
9k div#question-summary-1485706 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1485706 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
How to delete Search History in Outlook 2016 div#question-summary-1485706 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
AJM div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
1k div#question-summary-1718873 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1718873 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Windows Unable to delete file with reserved name div#question-summary-1718873 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
AJM div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
10k div#question-summary-725630 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-725630 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Where can I find the xmodemsend command in TeraTerm? div#question-summary-725630 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Fady GG div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
1k div#question-summary-1186984 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-number |
views div#question-summary-1186984 > div.s-post-summary--stats > div.s-post-summary--stats-item > span.s-post-summary--stats-item-unit |
Combine multiple ifs in bash div#question-summary-1186984 > div.s-post-summary--content > h3.s-post-summary--content-title > a.s-link |
Kamil Maciorowski div.s-user-card--info > div.s-user-card--link > a.flex--item > span |
Browse more Questions div#content > div.inner-content > div#mainbar > a.s-btn |
LilyPond: how to set automatic beaming for both sixteenth notes and sixteenth-t… div#hot-network-questions > ul > li > a.js-gps-track |
Determining a quadrilateral up to similarity with four angles div#hot-network-questions > ul > li > a.js-gps-track |
What did Jesus mean by we will do greater things than he did div#hot-network-questions > ul > li > a.js-gps-track |
Book where cadets are trapped in a building fending off "spine eels" while copi… div#hot-network-questions > ul > li > a.js-gps-track |
How to remove blood from broom in Goblin Cleanup? div#hot-network-questions > ul > li > a.js-gps-track |
Thinking of quitting postdoc, how to pivot safely? div#hot-network-questions > ul > li > a.js-gps-track |
What if the Columbia foam strike damage was spotted immediately? div#hot-network-questions > ul > li > a.js-gps-track |
Why did the referee keep the defender 6 feet away from the baseline? div#hot-network-questions > ul > li > a.js-gps-track |
Can't humans create artifacts 𝘦𝘹 𝘯𝘪𝘩𝘪𝘭𝘰? div#hot-network-questions > ul > li > a.js-gps-track |
Is it discriminatory to require documentation for menstrual disorders? div#hot-network-questions > ul > li > a.js-gps-track |
The Distinction Between Human Definitions and Pre-existing Platonic Forms div#hot-network-questions > ul > li > a.js-gps-track |
Power Inductor Inrush current limiter div#hot-network-questions > ul > li > a.js-gps-track |
What is the effect of Command: Grovel on a creature that is immune to the prone… div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
How to rank my ~30 extension cords to get rid of poorer half? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Why is "cross" used for stage movements in scripts? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Origin of the trope of humanity living underground while the surface is alleged… div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
How did Pythagoras study in ancient Egypt? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Why present perfect simple but not continuous? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
How to get the timestamp of an electronic signature in PDF? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Can I use brushes intended for other applications? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Pair of identities for coefficients of the exponential transform div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Is a habitable moon possible in a polar orbit around a gas giant? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Dealing with overflow in chrono div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Is 加 both a semantic and phonetic component of 駕? div#hot-network-questions > ul > li.js-hidden > a.js-gps-track |
Recent questions feed div.inner-content > div#sidebar > div#feed-link > a |
SUPER USER nav.site-footer--nav > div.site-footer--col > h5.-title > a |
COMPANY nav.site-footer--nav > div.site-footer--col > h5.-title > a.js-gps-track |
STACK EXCHANGE NETWORK div.site-footer--col > div > h5.-title > a |
Site design / logo © 2026 Stack Exchange Inc; div.site-footer--container > div.site-footer--copyright > p.md:mb0 > span |
user contributions licensed under div.site-footer--container > div.site-footer--copyright > p.md:mb0 > span |
rev 2026.4.21.42306 div.site-footer--container > div.site-footer--copyright > p.md:mb0 > span#svnrev |
These are opportunities to improve the legibility of your content.
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Broken name resolution and connection on wireguard interface when devices are o… div > div#question-summary-1936943 > div.s-post-summary--content > h3.s-post-summary--content-title |
These are opportunities to improve keyboard navigation in your application.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
body.home-page > header.s-topbar > div.s-topbar--container > a.s-topbar--logo body.home-page > header.s-topbar > div.s-topbar--container > a.s-topbar--logo |
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.
Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.
Performance issues directly impact user engagement and conversion rates.
| Deprecation / Warning | Source |
|---|---|
| SharedStorage | |
| StorageType.persistent is deprecated. Please use standardized navigator.storage instead. | |
| Fledge |
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
Performance issues directly impact user engagement and conversion rates.
| Source | Description |
|---|---|
accounts.google.com/gsi/client line 85, col 88 | [GSI_LOGGER]: FedCM get() rejects with NetworkError: Error retrieving a token. |
Not signed in with the identity provider. |
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.
Descriptive link text helps search engines understand your content. Learn how to make links more accessible.
Performance issues directly impact user engagement and conversion rates.
| Link destination | Link Text |
|---|---|
| /internal/?utm_medium=referral&utm_source=superuser-commu... | Learn more |
| /internal/?utm_medium=referral&utm_source=superuser-commu... | Learn more |
Format your HTML in a way that enables crawlers to better understand your app’s content.
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