Audit Result

UUID: 019f1a14-f800-70b9-8191-5b048dc0bf7e

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www.youtube.com

https://www.youtube.com/

Scanned 2 weeks ago

68
Fair Score
39 total checks
Passed
18
Warnings
17
Errors
4

Meta Information

  • Title Tag Warning

    Found 7 characters. Keep title between 30 and 60 characters.

    Fix: Add a unique <title> tag describing the main page intent in 30-60 characters.

  • Meta Description Pass

    Found 126 characters. Good snippet length.

  • Canonical URL Pass

    Canonical found: https://www.youtube.com/

  • Favicon Pass

    Favicon found and reachable: https://www.youtube.com/s/desktop/6740ecb6/img/favicon.ico (HTTP 200).

    Favicon
  • Viewport Meta Pass

    Viewport configured: width=device-width, initial-scale=1.0, viewport-fit=cover

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Warning

    Found 4 H1 tags.

    Fix: Use a single, descriptive <h1> that states the primary purpose of the page.

  • Heading Hierarchy Warning

    Detected 1 heading level jumps.

    • • Skipped from h1 to h3: "<h1>" -> "<h3>".

    Fix: Follow semantic order (h1 -> h2 -> h3) and avoid skipping heading levels.

  • Image Alt Text Error

    7 of 7 images are missing alt text.

    Fix: Add meaningful alt attributes to all informative images for accessibility and image SEO.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • HSTS & HTTPS Redirect Warning

    2 HTTPS hardening issues detected.

    • • HSTS is missing includeSubDomains.
    • • Could not probe the HTTP version of this page.
    • • Strict-Transport-Security: max-age=31536000

    Fix: Set Strict-Transport-Security with a long max-age, add includeSubDomains, and redirect all HTTP requests to HTTPS.

  • Security Headers Warning

    Missing: referrer-policy.

    Full HTTP headers (22)
    • • accept-ch: Sec-CH-Viewport-Width, Sec-CH-DPR, Device-Memory
    • • alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
    • • cache-control: no-cache, no-store, max-age=0, must-revalidate
    • • content-encoding: br
    • • content-security-policy: script-src 'unsafe-eval' 'self' 'unsafe-inline' https://www.google.com https://apis.google.com https://ssl.gstatic.com https://www.gstatic.com https://www.googletagmanager.com https://www.google-analytics.com https://*.youtube.com https://*.google.com https://*.gstatic.com https://youtube.com https://www.youtube.com https://google.com https://*.doubleclick.net https://*.googleapis.com https://www.googleadservices.com https://tpc.googlesyndication.com https://www.youtubekids.com https://www.youtube-nocookie.com https://www.youtubeeducation.com https://www-onepick-opensocial.googleusercontent.com;report-uri https://csp.withgoogle.com/csp/youtube_main/allowlist require-trusted-types-for 'script' base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce-d9CK9lKYU9KyydLMEbeIVw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict
    • • content-type: text/html; charset=utf-8
    • • cross-origin-opener-policy: same-origin-allow-popups; report-to="youtube_main"
    • • date: Tue, 30 Jun 2026 19:50:01 GMT
    • • document-policy: include-js-call-stacks-in-crash-reports
    • • expires: Mon, 01 Jan 1990 00:00:00 GMT
    • • origin-trial: AmhMBR6zCLzDDxpW+HfpP67BqwIknWnyMOXOQGfzYswFmJe+fgaI6XZgAzcxOrzNtP7hEDsOo1jdjFnVr2IdxQ4AAAB4eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJXZWJWaWV3WFJlcXVlc3RlZFdpdGhEZXByZWNhdGlvbiIsImV4cGlyeSI6MTc1ODA2NzE5OSwiaXNTdWJkb21haW4iOnRydWV9 AiDEBptUfVeO93q48VdVMe/ubupazdAl8AaHP+NBzdnW8quUcHdzJUyGSfrmtpKJu7EOvwRp9ug2rEo3XU+WMAMAAAB2eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJEZXZpY2VCb3VuZFNlc3Npb25DcmVkZW50aWFsczIiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlfQ==
    • • p3p: CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=en for more info."
    • • permissions-policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=*
    • • pragma: no-cache
    • • report-to: {"group":"youtube_main","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube_main"}]}
    • • reporting-endpoints: crash-reporting="/web-reports?context=eJwNzX9o1HUcx_F9fda47rbdfff98fm8WaSoYGm3dqONSLOYJTrZHFiQTpvbOktaO7e-u20oKv0iaY0JhizTDMq2zAtC7cf8RZADm0oXspVaJoXNRuKMmm5inz8evODFC17hP--evaTZagmnrNVzWq2uxYH1777AOjAQWNXn2qyxGWmrdmbaavq1w9oTe3Zax7UwtfMi_FgZYaw6wkurIxz-JMLAFxEuXonwcFseR3vzqb-cT9_XBdQMFrDd-Pt2AeWPRUkno0TSUd7bFiWxM4o6FeXo7BjZXTFSB2Jc-C9Gd5nN-8_YXKyzqXrBZtMmm9eNim6b45_aFGVs7h21uTxhc6eykKraQuZnTRY57J_uEC9zmFjuEE45_LHVYfGIw45xh6lJhw15Lm-7LjXKpSFw2dzrktnrMjbo0jzk8vLPLrtzPJ70PWZpj7NFHp3TPSpWePS_6WG963H6tMc3ts_kQz71CR_vUZ81y3xC1T4fGj2NPkNNPhOv-PS96pPp89kx6NM76vPPNEV-riJmnHhAMVSsOLREkVmqyKlU3OxQJLYr3jimCB1X_PKtIhhWNF1QrLlkXFVkxxW3byjemVBYtxR_TSru3KVZFNY8FdUs15ozCY0s0HRWaZ5YqRlaq3kuqfl9o6Z9myZ3p2btHk3LR5rvP9Zk-zTXjLx-TYFR-J2m5ozmpLH3rGbqnKZ7WJMzollqfGBkxjRc19x3U7NxSnPKIEdYhHAiV1gXEp6-R9gaFVpnCSfnCp8tEB5fKPxUIcgqYbBeeK1FyKSFUePBdmHuZuH6FmHK2LdLmLNfGM8I938uhA6a7pDQdViY8aUQfCW8NSCsOCL8MCKsOm82l8z3b8KLRtcVIXFVmHdDKMwLjQ70ZHNjPef7h5kZ70y1BW0NyeL2ZEN8XWuqOYgnm5-PN7auD9Y31jfVlZaUlpeUlz5SXFJWt6Hkf8nC6gM"
    • • server: ESF
    • • strict-transport-security: max-age=31536000
    • • vary: Sec-CH-Viewport-Width, Sec-CH-DPR, Device-Memory
    • • x-content-type-options: nosniff
    • • x-frame-options: SAMEORIGIN
    • • x-xss-protection: 0

    Fix: Add the missing security headers at your reverse proxy or application layer.

  • CSP Quality Error

    4 CSP hardening issues detected.

    • • script-src/default-src permits 'unsafe-inline'.
    • • script-src/default-src permits 'unsafe-eval'.
    • • CSP is missing a base-uri restriction.
    • • CSP is missing frame-ancestors protection.
    • • Content-Security-Policy: script-src 'unsafe-eval' 'self' 'unsafe-inline' https://www.google.com https://apis.google.com https://ssl.gstatic.com https://www.gstatic.com https://www.googletagmanager.com https://www.google-analytics.com https://*.youtube.com https://*.google.com https://*.gstatic.com https://youtube.com https://www.youtube.com https://google.com https://*.doubleclick.net https://*.googleapis.com https://www.googleadservices.com https://tpc.googlesyndication.com https://www.youtubekids.com https://www.youtube-nocookie.com https://www.youtubeeducation.com https://www-onepick-opensocial.googleusercontent.com;report-uri https://csp.withgoogle.com/csp/youtube_main/allowlist require-trusted-types-for 'script' base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce-d9CK9lKYU9KyydLMEbeIVw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict

    Fix: Tighten Content-Security-Policy by removing unsafe directives and adding object-src, base-uri, and frame-ancestors restrictions.

  • Cookie Security Pass

    No first-party cookies were set during the initial page load.

  • Server Version Disclosure Pass

    Server response headers do not expose version tokens.

  • Cloudflare Proxy Warning

    Domain does not appear to be behind Cloudflare.

  • Perceived Load Time Pass

    Loaded in 0.40s (perceived).

  • Render Blocking Resources Warning

    14 scripts and 7 styles may block rendering.

    • • script: https://static.doubleclick.net/instream/ad_status.js
    • • script: https://www.gstatic.com/cv/js/sender/v1/cast_sender.js
    • • script: https://www.youtube.com/s/player/4918c89a/player_ias.vflset/en_US/miniplayer.js
    • • script: https://www.youtube.com/s/player/4918c89a/player_ias.vflset/en_US/remote.js
    • • script: https://www.youtube.com/s/player/4918c89a/player_ias.vflset/en_US/offline.js
    • • script: https://www.youtube.com/s/desktop/6740ecb6/jsbin/web-animations-next-lite.min.vflset/web-animations-next-lite.min.js
    • • script: https://www.youtube.com/s/desktop/6740ecb6/jsbin/webcomponents-all-noPatch.vflset/webcomponents-all-noPatch.js
    • • script: https://www.youtube.com/s/desktop/6740ecb6/jsbin/fetch-polyfill.vflset/fetch-polyfill.js
    • • script: https://www.youtube.com/s/desktop/6740ecb6/jsbin/intersection-observer.min.vflset/intersection-observer.min.js
    • • script: https://www.youtube.com/s/desktop/6740ecb6/jsbin/scheduler.vflset/scheduler.js
    • • script: https://www.youtube.com/s/desktop/6740ecb6/jsbin/www-i18n-constants-en_US.vflset/www-i18n-constants.js
    • • script: https://www.youtube.com/s/desktop/6740ecb6/jsbin/spf.vflset/spf.js
    • • script: https://www.youtube.com/s/desktop/6740ecb6/jsbin/network.vflset/network.js
    • • script: https://www.youtube.com/s/player/4918c89a/player_ias.vflset/en_US/base.js
    • • style: https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=YouTube+Sans:[email protected]&display=swap
    • • style: https://www.youtube.com/s/desktop/6740ecb6/cssbin/www-main-desktop-home-page-skeleton.css
    • • style: https://www.youtube.com/s/desktop/6740ecb6/cssbin/www-onepick.css
    • • style: https://www.youtube.com/s/_/ytmainappweb/_/ss/k=ytmainappweb.kevlar_base.BWSDMgLVs5c.L.W.O/am=AAAAEAAgBMDm/d=0/br=1/rs=AGKMywGgebl0REYhdI0O2gcwpEDqVU_f3Q
    • • style: https://fonts.googleapis.com/css?family=Roboto:300italic,400italic,500italic,700italic
    • • style: https://fonts.googleapis.com/css?family=Roboto+Mono:400
    • • style: https://www.youtube.com/s/player/4918c89a/www-player.css

    Fix: Defer non-critical scripts and inline critical CSS to improve first paint speed.

  • Compression Pass

    Text-like assets appear compressed.

  • Robots.txt Pass

    Found robots.txt (200).

  • Sitemap File Pass

    Found sitemap (200) at https://www.youtube.com/sitemaps/sitemap.xml.

  • Crawl Directives Warning

    No robots meta tag defined.

    Fix: Add <meta name="robots" content="index,follow"> (or the intended directive) in <head>.

Accessibility Basics

  • Form Labels Error

    1 of 2 controls are missing labels.

    • • input[type="text"].ytSearchboxComponentInput.yt-searchbox-input (search_query)

    Fix: Associate each form control with a visible label, aria-label, or aria-labelledby.

  • Landmarks Warning

    Missing landmarks: footer.

    Fix: Use semantic regions (<header>, <nav>, <main>, <footer>) for navigation and assistive tech.

  • Tap Target Size Warning

    7 interactive elements appear smaller than 48px.

    • • button#button.style-scope.yt-icon-button (Guide) - 24x24px
    • • button.ytSpecButtonShapeNextHost.ytSpecButtonShapeNextTonal (Skip navigation) - 130x40px
    • • button.ytSearchboxComponentSearchButton (Search) - 64x40px
    • • button.ytSpecButtonShapeNextHost.ytSpecButtonShapeNextText (Search with your voice) - 40x40px
    • • a.yt-simple-endpoint.style-scope - 40x40px
    • • button#button.style-scope.yt-icon-button (Settings) - 24x24px
    • • a.ytSpecButtonShapeNextHost.ytSpecButtonShapeNextOutline (Sign in) - 99x40px

    Fix: Increase target size to at least 48x48 CSS pixels for touch interactions.

Social & Rich Results

  • Open Graph Basics Warning

    Missing og:title or og:description.

    Fix: Add og:title and og:description tags to control social preview text.

  • Open Graph Image Pass

    og:image is present and absolute.

    Open Graph Image
  • Twitter Card Warning

    twitter:card is missing.

    Fix: Add <meta name="twitter:card" content="summary_large_image"> for better previews on X.

  • Structured Data Warning

    No JSON-LD schema scripts found.

    Fix: Add JSON-LD structured data matching your page type (Organization, Article, Product, etc.).

  • PWA Metadata Warning

    Manifest or Apple touch icon is missing.

    Fix: Link your web app manifest and apple-touch-icon for improved install/share experiences.

  • Open Graph/Twitter Quality Warning

    5 social preview quality issues detected.

    • • ISSUE: og:url should be an absolute URL.
    • • ISSUE: og:title should typically be between 10 and 70 characters.
    • • ISSUE: og:description should typically be between 50 and 200 characters.
    • • ISSUE: Preview image aspect ratio (1.00) differs from the recommended ~1.91:1.
    • • ISSUE: twitter:card is missing.
    • • GUIDELINE: Optimal og:title length: 40-60 characters (acceptable: 10-70).
    • • GUIDELINE: Optimal og:description length: 110-160 characters (acceptable: 50-200).
    • • GUIDELINE: Optimal preview image size: 1200x630 pixels.
    • • GUIDELINE: Optimal preview image aspect ratio: 1.91:1.
    • • GUIDELINE: Optimal preview image file size: under 5 MB.
    • • GUIDELINE: Recommended twitter:card: summary_large_image.
    • • MEASURED: Image size: 0.01 MB
    • • MEASURED: Image dimensions: 1200x1200

    Fix: Use absolute OG/Twitter URLs, keep metadata lengths in recommended ranges, and provide a preview image near 1200x630 under 5MB.

Links Analysis

  • Internal Links Pass

    Checked 5 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Warning

    17 links are empty, invalid, or placeholder-only.

    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"
    • • href="(empty)"

    Fix: Replace empty/#/javascript href values with real destinations or use buttons for non-navigation actions.

Performance & Runtime

  • Core Web Vitals: LCP Pass

    Largest Contentful Paint: 1.67s.

  • Core Web Vitals: CLS Pass

    Cumulative Layout Shift: 0.001.

  • Main Thread Blocking (TBT) Error

    Total Blocking Time estimate: 721ms.

    Fix: Reduce heavy JavaScript work, split long tasks, and defer non-critical scripts.

  • Broken Assets Pass

    No failed CSS/JS/image/font/media requests detected.

  • JavaScript Runtime Errors Warning

    3 JavaScript runtime issues detected.

    • • Request failed: https://www.youtube.com/ (net::ERR_ABORTED, type: fetch)
    • • Blocked script execution in 'about:blank' because the document's frame is sandboxed and the 'allow-scripts' permission is not set. [about:blank:1]
    • • Failed to load resource: the server responded with a status of 403 () [https://accounts.google.com/v3/signin/identifier?continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Faction_handle_signin%3Dtrue%26app%3Ddesktop%26hl%3Den%26next%3D%252Fsignin_passive%26feature%3Dpassive&dsh=S722574011%3A1782849003807483&hl=en&passive=true&service=youtube&uilel=3&flowName=WebLiteSignIn&flowEntry=ServiceLogin&ifkv=AcDsRvzo0VwYHDPkaZErAniYcv_JXQ1Asw8O6UamdoDQmkiXsa34CEQQX-uhdfepAc7lssLrR9PFwg:1]

    Fix: Fix JS files returning 404/failed requests and resolve the listed runtime exceptions.