United Stated · New York Completed: Apr 21, 2026 19:24 UTCMobile 375 × 812
Desktop 1440 × 900
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.
Solid SEO basics — a few optimizations could boost rankings.
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.
Heavier than average — reducing page weight saves energy and bandwidth.
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.
Content-Security-Policy header is missing
Security gaps expose your site and users to attacks, eroding trust.
HSTS header is missing
Security gaps expose your site and users to attacks, eroding trust.
No Content-Security-Policy header found
Security gaps expose your site and users to attacks, eroding trust.
No <main> landmark found
Accessibility issues exclude users with disabilities — up to 15% of your potential audience.
No favicon or icon links detected
Accessibility issues exclude users with disabilities — up to 15% of your potential audience.
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/56a6833b-5a58-4db8-9cb1-1ab6297896d5)<a href="https://beavercheck.com/results/56a6833b-5a58-4db8-9cb1-1ab6297896d5"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fphys.org" alt="BeaverCheck Score"></a>https://beavercheck.com/badge?url=https%3A%2F%2Fphys.orgThis badge auto-updates with your latest scan result.
Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.
8 barrier(s) likely increasing bounce by ~24%.
Page loads in 3.2s
+5% bounceEvery additional 100ms above 2.5s costs conversions — you're 716ms over
Fix: Target <2.5s LCP: defer non-critical scripts and optimize the hero image
Page feels frozen for 1.3s
+5% bounceClicks on the primary CTA are ignored while JavaScript runs
Fix: Break up long tasks; defer non-critical JavaScript to post-hydration
No HSTS header
+1% bounceReturning 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% 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
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.
$450 investment → $1,349/month returns + USD 157,500 risk avoided
$450
4h · 5 findings
$1,349 /mo
~$16,192 / year
USD 157,500
if kept compliant
$150 — 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.
4.5 developer hours at $100/hr
Based on United States rates ($100/hr)
Start here for the best return on investment
$13,126 / month at risk
~$157,510 / year if left unfixed
$157,500
+4 more
$0.85 /mo
10611.4 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 5 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.
2.37 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.22 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.33 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.
3.48 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.
16.58 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.
Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading
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.
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.
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 |
|---|---|
| phys.b-cdn.net/tmpl/mobile/css/main.1193586671.css | 0 B |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.
Performance issues directly impact user engagement and conversion rates.
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.
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/adsense/m202604170101/show_ads_impl_fy... | 177.5 KiB | 119.9 KiB |
| /pagead/managed/js/gpt/m202604090101/pubads_impl.js?cb=31... | 185.9 KiB | 88.0 KiB |
| www.googletagmanager.com/gtag/js?id=G-6M86390YBL | 172.2 KiB | 64.9 KiB |
| pagead2.googlesyndication.com/pagead/js/adsbygoogle.js | 54.3 KiB | 43.4 KiB |
| pagead2.googlesyndication.com/pagead/js/adsbygoogle.js | 54.3 KiB | 43.4 KiB |
| fundingchoicesmessages.google.com/i/4988204?ers=3 | 70.4 KiB | 33.3 KiB |
| phys.b-cdn.net/tmpl/mobile/js/libs.2838154947.js | 36.9 KiB | 27.3 KiB |
| /pagead/js/adsbygoogle.js?client=ca-pub-0536483524803400 | 54.3 KiB | 26.4 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 | 3.1 s |
| Other | 1.5 s |
| Style & Layout | 1.1 s |
| Script Parsing & Compilation | 427 ms |
| Rendering | 366 ms |
| Parse HTML & CSS | 96 ms |
| Garbage Collection | 34 ms |
Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.
Performance issues directly impact user engagement and conversion rates.
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 |
|---|
Latest news div.row-filter > ul.tabs-filter-wrap > li.tabs-filter-item > a |
Weekly top div.row-filter > ul.tabs-filter-wrap > li.tabs-filter-item > a |
Spotlights only div.row-filter > ul.tabs-filter-wrap > li.tabs-filter-item > a |
Medical Xpress div.container > div.top-navigation > div.badge > h2 |
These are opportunities to improve the legibility of your content.
Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more about form element labels.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
li.tabs-filter-item > div.switch > label > input li.tabs-filter-item > div.switch > label > input |
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 |
|---|
nav.nav-extended > div.fixed-container > div.nav-wrapper > a.brand-logo nav.nav-extended > div.fixed-container > div.nav-wrapper > a.brand-logo |
div.nav-wrapper > ul.right > li > a.modal-trigger div.nav-wrapper > ul.right > li > a.modal-trigger |
div.nav-wrapper > ul.right > li > a.sidenav-trigger div.nav-wrapper > ul.right > li > a.sidenav-trigger |
div.nav-content > ul.tabs > li.buttons-tabs > a.settings-button div.nav-content > ul.tabs > li.buttons-tabs > a.settings-button |
div.fixed-container > div.nav-content > div.scrollBtn > a.arrow-right div.fixed-container > div.nav-content > div.scrollBtn > a.arrow-right |
div.container > div.footer-wrapper > div.socials-wrapper > a div.container > div.footer-wrapper > div.socials-wrapper > a |
div.container > div.footer-wrapper > div.socials-wrapper > a div.container > div.footer-wrapper > div.socials-wrapper > a |
div.container > div.footer-wrapper > div.socials-wrapper > a div.container > div.footer-wrapper > div.socials-wrapper > a |
div.container > div.footer-wrapper > div.socials-wrapper > a div.container > div.footer-wrapper > div.socials-wrapper > a |
div.container > div.footer-wrapper > div.socials-wrapper > a div.container > div.footer-wrapper > div.socials-wrapper > a |
div.container > div.footer-wrapper > div.socials-wrapper > a div.container > div.footer-wrapper > div.socials-wrapper > a |
div.container > div.footer-wrapper > div.socials-wrapper > a div.container > div.footer-wrapper > div.socials-wrapper > a |
div.container > div.footer-wrapper > div.socials-wrapper > a div.container > div.footer-wrapper > div.socials-wrapper > 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.
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 |
|---|
Tech Xplore div.col > ul.menu-footer > li > a |
Medical Xpress div.col > ul.menu-footer > li > a |
Science X div.col > ul.menu-footer > li > a |
Android app div.col > ul.menu-footer > li > a |
iOS app div.col > ul.menu-footer > li > a |
RSS feeds div.col > ul.menu-footer > li > a |
Help div.col > ul.menu-footer > li > a |
FAQ div.col > ul.menu-footer > li > a |
Terms of use div.col > ul.menu-footer > li > a |
Privacy policy div.col > ul.menu-footer > li > a |
Newsletter div.col > ul.menu-footer > li > a |
Archive div.col > ul.menu-footer > li > a |
One main landmark helps screen reader users navigate a web page. Learn more about landmarks.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
html html |
These items highlight common accessibility best practices.
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 |
|---|---|
| sciencex.com/help/about-us/ | Read more |
Format your HTML in a way that enables crawlers to better understand your app’s content.
Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable
Performance issues directly impact user engagement and conversion rates.
| Uncrawlable Link |
|---|
Topic Settings
body > div#menu-categories-sidenav > div.container-fluid > a.header-settings-back |
To appear in search results, crawlers need access to your app.
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.
1.03 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.09 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
178 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.
1.07 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.
3.75 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 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.
Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading
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 |
|---|---|---|
| fonts.googleapis.com/css?family=Open+Sans:400,400i,700 | 1.9 KiB | |
| fonts.googleapis.com/css?family=Roboto:400,500,700 | 2.1 KiB | 246 ms |
| phys.b-cdn.net/tmpl/v6/css/style.646686822.css | 15.5 KiB | |
| phys.b-cdn.net/tmpl/v6/css/libs.646686822.css | 30.5 KiB | 247 ms |
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.
| Request | Cache TTL | Transfer Size |
|---|---|---|
| /pagead/managed/js/activeview/current/ufs_web_display.js | 3600.0 s | 73.1 KiB |
| s0.2mdn.net/ads/studio/Enabler.js | 900.0 s | 52.4 KiB |
| /pagead/managed/js/adsense/m202604200101/show_ads_impl_fy... | 1209600.0 s | 177.5 KiB |
| phys.b-cdn.net/tmpl/v6/js/libs.4263044905.js | 604800.0 s | 129.9 KiB |
| /QBFRtdmLtzPdhR2s_4zfk8c7wtijDii4SefJARhYWdYj86b7y5-ktd2U... | 86400.0 s | 9.6 KiB |
| phys.b-cdn.net/tmpl/v6/css/libs.646686822.css | 604800.0 s | 30.5 KiB |
| phys.b-cdn.net/tmpl/v6/css/style.646686822.css | 604800.0 s | 15.5 KiB |
| /pagead/js/r20260420/r20110914/elements/html/interstitial... | 1209600.0 s | 9.5 KiB |
| tpc.googlesyndication.com/pagead/js/r20260420/r20110914/abg_lite_fy2021.js | 1209600.0 s | 8.4 KiB |
| /pagead/js/r20260420/r20110914/elements/html/fullscreen_a... | 1209600.0 s | 7.1 KiB |
| rules.quantcount.com/rules-p-5dNhPAnM9r0yY.js | 3600.0 s | 633 B |
| phys.b-cdn.net/tmpl/v6/js/common.646686822.js | 604800.0 s | 4.7 KiB |
| phys.b-cdn.net/tmpl/v6/js/svgxuse.4263044905.js | 604800.0 s | 2.0 KiB |
| pagead2.googlesyndication.com/pagead/osd.js?fcd=true | 3600.0 s | 76 B |
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.
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.mb-4 > figure.ads-tmb > a > img div.mb-4 > figure.ads-tmb > a > img | phys.org/banner/acs-003.jpg | 8.8 KiB | 8.0 KiB |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.
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 |
|---|---|---|
| phys.b-cdn.net/tmpl/v6/css/libs.646686822.css | 29.8 KiB | 26.9 KiB |
| phys.b-cdn.net/tmpl/v6/css/style.646686822.css | 14.8 KiB | 11.1 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.
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 |
|---|---|---|
| www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js | 361.8 KiB | 241.8 KiB |
| /pagead/managed/js/adsense/m202604200101/show_ads_impl_fy... | 177.5 KiB | 121.3 KiB |
| phys.b-cdn.net/tmpl/v6/js/libs.4263044905.js | 129.2 KiB | 90.4 KiB |
| /pagead/managed/js/gpt/m202604090102/pubads_impl.js?cb=31... | 187.6 KiB | 88.5 KiB |
| www.googletagmanager.com/gtag/js?id=G-6M86390YBL | 172.2 KiB | 65.1 KiB |
| pagead2.googlesyndication.com/pagead/js/adsbygoogle.js | 54.3 KiB | 43.5 KiB |
| fundingchoicesmessages.google.com/i/4988204?ers=3 | 70.4 KiB | 33.4 KiB |
| /pagead/managed/js/activeview/current/ufs_web_display.js | 73.1 KiB | 32.6 KiB |
| s0.2mdn.net/ads/studio/Enabler.js | 51.9 KiB | 28.9 KiB |
| pagead2.googlesyndication.com/pagead/js/adsbygoogle.js | 54.3 KiB | 27.3 KiB |
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 850 ms |
| Style & Layout | 493 ms |
| Other | 402 ms |
| Script Parsing & Compilation | 155 ms |
| Rendering | 105 ms |
| Parse HTML & CSS | 88 ms |
| Garbage Collection | 32 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 |
|---|---|
| The page has an unload handler in a sub frame. | Actionable |
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 | |
|---|---|
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/150-year-old-museum-sp.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/put-a-nanodiamond-unde.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/b-cells-that-fight-inf.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/targeting-the-yin-and.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/novel-house-design-cut.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/liquid-droplet-mops-fo-1.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2022/liver-2.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/molecular-keyhole-shed.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/researchers-develop-sc.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/mars-rover-detects-nev.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/a-laser-based-approach.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/repeating-fast-radio-b.jpg |
div.d-flex > figure.sorted-article-figure > a > img div.d-flex > figure.sorted-article-figure > a > img | scx1.b-cdn.net/csz/news/175u/2026/novel-antimicrobial-po.jpg |
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div.article__info-item > div.text-low > p > img.icon-logo div.article__info-item > div.text-low > p > img.icon-logo | phys.b-cdn.net/tmpl/v6/img/MedicalXpress2.svg |
div.article__info-item > div.text-low > p > img.icon-logo div.article__info-item > div.text-low > p > img.icon-logo | phys.b-cdn.net/tmpl/v6/img/MedicalXpress2.svg |
div.article__info-item > div.text-low > p > img.icon-logo div.article__info-item > div.text-low > p > img.icon-logo | phys.b-cdn.net/tmpl/v6/img/MedicalXpress2.svg |
div.article__info-item > div.text-low > p > img.icon-logo div.article__info-item > div.text-low > p > img.icon-logo | phys.b-cdn.net/tmpl/v6/img/MedicalXpress2.svg |
div.article__info-item > div.text-low > p > img.icon-logo div.article__info-item > div.text-low > p > img.icon-logo | phys.b-cdn.net/tmpl/v6/img/MedicalXpress2.svg |
div.selection > div > h3.text-middle > img div.selection > div > h3.text-middle > img | phys.b-cdn.net/tmpl/v6/img/MedicalXpress2.svg |
div.article__info-item > div.text-low > p > img.icon-logo div.article__info-item > div.text-low > p > img.icon-logo | phys.b-cdn.net/tmpl/v6/img/MedicalXpress2.svg |
div.article__info-item > div.text-low > p > img.icon-logo div.article__info-item > div.text-low > p > img.icon-logo | phys.b-cdn.net/tmpl/v6/img/MedicalXpress2.svg |
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.
Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more about roles and required children elements.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Featured
Last Comments
Popular
Dialog div.row > div.col-5 > div.categories > ul.categories-controls |
Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. Learn more about ARIA roles and required parent element.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Featured div.categories > ul.categories-controls > li.categories-controls__item > a#nav-featured-tab |
Last Comments div.categories > ul.categories-controls > li.categories-controls__item > a#nav-comments-tab |
Popular div.categories > ul.categories-controls > li.categories-controls__item > a#nav-popular-tab |
Dialog div.categories > ul.categories-controls > li.categories-controls__item > a#nav-popular-tab |
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.
When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.row > div.col-12 > form.header-search > button.header-search__show div.row > div.col-12 > form.header-search > button.header-search__show |
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 |
|---|
div.row > div.col-12 > div.dropdown > a.header-account div.row > div.col-12 > div.dropdown > a.header-account |
form > div.text-center > p.mb-2 > a.login-link |
form > div.text-center > p.mb-2 > a.login-link |
form > div.text-center > p.mb-2 > a.login-link form > div.text-center > p.mb-2 > a.login-link |
div.col-6 > article.accent > figure.accent-figure > a.accent-figure__image div.col-6 > article.accent > figure.accent-figure > a.accent-figure__image |
div.col-6 > article.accent > figure.accent-figure > a.accent-figure__image div.col-6 > article.accent > figure.accent-figure > a.accent-figure__image |
div.selection-link > article.selection-article > figure.selection-article__figure > a.selection-article__image div.selection-link > article.selection-article > figure.selection-article__figure > a.selection-article__image |
div.selection-link > article.selection-article > figure.selection-article__figure > a.selection-article__image div.selection-link > article.selection-article > figure.selection-article__figure > a.selection-article__image |
div.selection-link > article.selection-article > figure.selection-article__figure > a.selection-article__image div.selection-link > article.selection-article > figure.selection-article__figure > a.selection-article__image |
article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a |
article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a |
article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a |
article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a |
article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a |
article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a |
article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a |
article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a article.sorted-news-list > div.d-flex > figure.sorted-article-figure > a |
div#side-ad > div.mb-4 > figure.ads-tmb > a div#side-ad > div.mb-4 > figure.ads-tmb > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
div.col-12 > div.d-flex > figure.sorted-article-figure > a div.col-12 > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
article.sorted-article > div.d-flex > figure.sorted-article-figure > a article.sorted-article > div.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a div.sorted-news-list > article.d-flex > figure.sorted-article-figure > a |
div.col-md-6 > ul.follow > li.follow-item > a.follow-link div.col-md-6 > ul.follow > li.follow-item > a.follow-link |
div.col-md-6 > ul.follow > li.follow-item > a.follow-link div.col-md-6 > ul.follow > li.follow-item > a.follow-link |
div.col-md-6 > ul.follow > li.follow-item > a.follow-link div.col-md-6 > ul.follow > li.follow-item > a.follow-link |
div.col-md-6 > ul.follow > li.follow-item > a.follow-link div.col-md-6 > ul.follow > li.follow-item > a.follow-link |
div.col-md-6 > ul.follow > li.follow-item > a.follow-link div.col-md-6 > ul.follow > li.follow-item > a.follow-link |
div.col-md-6 > ul.follow > li.follow-item > a.follow-link div.col-md-6 > ul.follow > li.follow-item > a.follow-link |
div.col-md-6 > ul.follow > li.follow-item > a.follow-link div.col-md-6 > ul.follow > li.follow-item > a.follow-link |
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.
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 |
|---|
LAST UPDATE: div.col-sm-12 > div > p.text-muted > span.text-uppercase |
3 minutes ago div.col-sm-12 > div > p.text-muted > time |
Date ul.breaking-sorting > li.breaking-sorting__item > a.breaking-sorting__button > span |
Rank ul.breaking-sorting > li.breaking-sorting__item > a.breaking-sorting__button > span |
LiveRank ul.breaking-sorting > li.breaking-sorting__item > a.breaking-sorting__button > span |
Popular ul.breaking-sorting > li.breaking-sorting__item > a.breaking-sorting__button > span |
GENERAL PHYSICS div.article__info > div.article__info-item > div.text-low > p |
43 MINUTES AGO figcaption.selection-article__description > div.article__info > div.article__info-item > p.text-uppercase |
PLANTS & ANIMALS div.article__info > div.article__info-item > div.text-low > p |
23 MINUTES AGO figcaption.selection-article__description > div.article__info > div.article__info-item > p.text-uppercase |
PLANTS & ANIMALS div.article__info > div.article__info-item > div.text-low > p |
1 HOUR AGO figcaption.selection-article__description > div.article__info > div.article__info-item > p.text-uppercase |
EVOLUTION div.article__info > div.article__info-item > div.text-low > p |
1 HOUR AGO article.sorted-news-list > div.article__info > div.article__info-item > p.text-uppercase |
NANOPHYSICS div.article__info > div.article__info-item > div.text-low > p |
report div.article__info-item > span.mr-3 > a > span.ml-2 |
3 HOURS AGO article.sorted-news-list > div.article__info > div.article__info-item > p.text-uppercase |
MEDICAL XPRESS div.article__info > div.article__info-item > div.text-low > p |
report div.article__info-item > span.mr-3 > a > span.ml-2 |
2 HOURS AGO article.sorted-news-list > div.article__info > div.article__info-item > p.text-uppercase |
MEDICAL XPRESS div.article__info > div.article__info-item > div.text-low > p |
1 HOUR AGO article.sorted-news-list > div.article__info > div.article__info-item > p.text-uppercase |
MEDICAL XPRESS div.article__info > div.article__info-item > div.text-low > p |
23 MINUTES AGO article.sorted-news-list > div.article__info > div.article__info-item > p.text-uppercase |
ENERGY & GREEN TECH div.article__info > div.article__info-item > div.text-low > p |
3 MINUTES AGO article.sorted-news-list > div.article__info > div.article__info-item > p.text-uppercase |
MEDICAL XPRESS div.article__info > div.article__info-item > div.text-low > p |
1 HOUR AGO article.sorted-news-list > div.article__info > div.article__info-item > p.text-uppercase |
MEDICAL XPRESS div.article__info > div.article__info-item > div.text-low > p |
1 HOUR AGO article.sorted-news-list > div.article__info > div.article__info-item > p.text-uppercase |
CORPORATE SPONSOR PROGRAM div.col-5 > div#side-ad > header.text-muted > a.text-muted |
Featured div.categories > ul.categories-controls > li.categories-controls__item > a#nav-featured-tab |
Last Comments div.categories > ul.categories-controls > li.categories-controls__item > a#nav-comments-tab |
Popular div.categories > ul.categories-controls > li.categories-controls__item > a#nav-popular-tab |
Dialog div.categories > ul.categories-controls > li.categories-controls__item > a#nav-popular-tab |
Medical Xpress div.col-5 > div.selection > div > h3.text-middle |
Tech Xplore div.col-5 > div.selection > div > h3.text-middle |
BIOCHEMISTRY div.article__info > div.article__info-item > div.text-low > p |
2 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
ASTROBIOLOGY div.article__info > div.article__info-item > div.text-low > p |
10 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
77 div.article__info > div.article__info-item > p.text-uppercase > span |
NANOPHYSICS div.article__info > div.article__info-item > div.text-low > p |
feature div.article__info-item > span.mr-3 > a > span.ml-2 |
7 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
ASTRONOMY div.article__info > div.article__info-item > div.text-low > p |
report div.article__info-item > span.mr-3 > a > span.ml-2 |
3 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
POLYMERS div.article__info > div.article__info-item > div.text-low > p |
2 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
SUPERCONDUCTIVITY div.article__info > div.article__info-item > div.text-low > p |
feature div.article__info-item > span.mr-3 > a > span.ml-2 |
4 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
CONDENSED MATTER div.article__info > div.article__info-item > div.text-low > p |
feature div.article__info-item > span.mr-3 > a > span.ml-2 |
7 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
MEDICAL XPRESS div.article__info > div.article__info-item > div.text-low > p |
2 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
ASTRONOMY div.article__info > div.article__info-item > div.text-low > p |
2 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
NANOPHYSICS div.article__info > div.article__info-item > div.text-low > p |
3 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
PLANTS & ANIMALS div.article__info > div.article__info-item > div.text-low > p |
report div.article__info-item > span.mr-3 > a > span.ml-2 |
5 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
PLANTS & ANIMALS div.article__info > div.article__info-item > div.text-low > p |
3 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
CELL & MICROBIOLOGY div.article__info > div.article__info-item > div.text-low > p |
6 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
ENGINEERING div.article__info > div.article__info-item > div.text-low > p |
6 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
EARTH SCIENCES div.article__info > div.article__info-item > div.text-low > p |
6 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
MEDICAL XPRESS div.article__info > div.article__info-item > div.text-low > p |
7 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
MOLECULAR & COMPUTATIONAL BIOLOGY div.article__info > div.article__info-item > div.text-low > p |
7 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
CONSUMER & GADGETS div.article__info > div.article__info-item > div.text-low > p |
4 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
ENGINEERING div.article__info > div.article__info-item > div.text-low > p |
4 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
CELL & MICROBIOLOGY div.article__info > div.article__info-item > div.text-low > p |
4 HOURS AGO article.sorted-article > div.article__info > div.article__info-item > p.text-uppercase |
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 |
|---|
More effective, longer-lasting sunscreen made from natural extracts article.accent > figure.accent-figure > figcaption.accent-figure__desription > h3.text-large |
Inside tumors, immune cells hide a split personality—and one side could quietly… div.col-12 > div.d-flex > div.sorted-article-content > h5 |
'Liquid droplet mops' clean solar panels with 99.9% efficiency, cutting water u… div.col-12 > div.d-flex > div.sorted-article-content > h5 |
These are opportunities to improve keyboard navigation in your application.
Screen readers require list items (`<li>`) to be contained within a parent `<ul>`, `<ol>` or `<menu>` to be announced properly. Learn more about proper list structure.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Featured div.col-5 > div.categories > ul.categories-controls > li.categories-controls__item |
Last Comments div.col-5 > div.categories > ul.categories-controls > li.categories-controls__item |
Popular div.col-5 > div.categories > ul.categories-controls > li.categories-controls__item |
Dialog div.col-5 > div.categories > ul.categories-controls > li.categories-controls__item |
These are opportunities to improve the experience of reading tabular or list data using 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 |
|---|---|
| Unload event listeners are deprecated and will be removed. | s0.2mdn.net/ads/studio/Enabler.js line 157, col 9 |
| SharedStorage | /pagead/managed/js/activeview/current/ufs_web_display.js line 252, col 234 |
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 |
|---|---|
A bad HTTP response code (400) was received when fetching the script. | |
TypeError: Failed to register a ServiceWorker for scope ('https://phys.org/') with script ('https://phys.org/push-sw.js'): A bad HTTP response code (400) was received when fetching the script. | |
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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 |
|---|---|
| sciencex.com/help/account/ | Learn more |
Format your HTML in a way that enables crawlers to better understand your app’s content.
Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable
Performance issues directly impact user engagement and conversion rates.
| Uncrawlable Link |
|---|
Push notification nav.nav > ul.nav > li.nav-item > a.nav-link |
To appear in search results, crawlers need access to your app.
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