Audit Result

UUID: 019f1552-e8a3-70d2-9434-5dc9c5a00c96

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linkscout-rust.vercel.app

https://linkscout-rust.vercel.app/

Scanned 2 weeks ago

86
Excellent Score
39 total checks
Passed
29
Warnings
9
Errors
1

Meta Information

  • Title Tag Pass

    Found 40 characters. Length is optimal.

  • Meta Description Pass

    Found 94 characters. Good snippet length.

  • Canonical URL Warning

    Canonical link not found.

    Fix: Add <link rel="canonical" href="https://example.com/page"> to avoid duplicate URL ambiguity.

  • Favicon Pass

    Favicon found and reachable: /icon.svg (HTTP 200).

    Favicon
  • Viewport Meta Pass

    Viewport configured: width=device-width, initial-scale=1

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "The search engine for tech profiles.".

  • Heading Hierarchy Pass

    Valid heading flow across 13 headings.

  • Image Alt Text Pass

    All 5 images include alt text.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • HSTS & HTTPS Redirect Warning

    1 HTTPS hardening issues detected.

    • • Could not probe the HTTP version of this page.
    • • Strict-Transport-Security: max-age=63072000; includeSubDomains; preload

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

  • Security Headers Warning

    Missing: content-security-policy.

    Full HTTP headers (16)
    • • age: 0
    • • cache-control: private, no-cache, no-store, max-age=0, must-revalidate
    • • content-encoding: br
    • • content-type: text/html; charset=utf-8
    • • date: Mon, 29 Jun 2026 21:39:40 GMT
    • • link: </_next/static/media/bb3ef058b751a6ad-s.p.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", </_next/static/media/e4af272ccee01ff0-s.p.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", <https://unavatar.io/polygon.com?fallback=false>; rel=preload; as="image", <https://unavatar.io/datadog.com?fallback=false>; rel=preload; as="image", <https://unavatar.io/cloudflare.com?fallback=false>; rel=preload; as="image", <https://unavatar.io/ethereumfoundation.com?fallback=false>; rel=preload; as="image"
    • • referrer-policy: strict-origin-when-cross-origin
    • • server: Vercel
    • • strict-transport-security: max-age=63072000; includeSubDomains; preload
    • • vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
    • • x-content-type-options: nosniff
    • • x-frame-options: DENY
    • • x-matched-path: /[locale]
    • • x-powered-by: Next.js
    • • x-vercel-cache: MISS
    • • x-vercel-id: iad1::iad1::xkqwm-1782769180598-1fb7a6b14425

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

  • CSP Quality Warning

    Content-Security-Policy header is missing.

    • • Missing Content-Security-Policy header.

    Fix: Define a restrictive Content-Security-Policy and avoid unsafe directives such as unsafe-inline and unsafe-eval.

  • 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 0.77s (perceived).

  • Render Blocking Resources Warning

    1 scripts and 2 styles may block rendering.

    • • script: https://linkscout-rust.vercel.app/_next/static/chunks/polyfills-42372ed130431b0a.js
    • • style: https://linkscout-rust.vercel.app/_next/static/css/a614887f4b52cc5d.css
    • • style: https://linkscout-rust.vercel.app/_next/static/css/16bb6f2abf2b2739.css

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

  • Compression Warning

    1 text resources look uncompressed.

    • • https://linkscout-rust.vercel.app/_next/static/chunks/main-app-5b040d08f3608767.js (application/javascript; charset=utf-8)

    Fix: Enable Brotli or Gzip compression for HTML, CSS, JS, and JSON responses.

  • Robots.txt Pass

    Found robots.txt (200).

  • Sitemap File Pass

    Found sitemap (200) at https://linkscout-rust.vercel.app/sitemap.xml.

  • Crawl Directives Pass

    Robots meta found: index, follow

Accessibility Basics

  • Form Labels Pass

    All 2 controls are labeled.

  • Landmarks Pass

    Header, nav, main, and footer landmarks are present.

  • Tap Target Size Pass

    Interactive targets look touch-friendly.

Social & Rich Results

  • Open Graph Basics Pass

    Core Open Graph tags are present.

  • Open Graph Image Error

    og:image URL returned HTTP 404.

    Fix: Make sure the og:image URL returns HTTP 200 and points to a publicly accessible image.

  • Twitter Card Pass

    twitter:card set to summary_large_image.

  • Structured Data Pass

    JSON-LD schema detected.

  • PWA Metadata Pass

    Manifest and Apple touch icon are configured.

  • Open Graph/Twitter Quality Warning

    1 social preview quality issues detected.

    • • ISSUE: Preview image URL failed with HTTP 404: https://linkscout-rust.vercel.app/og-image
    • • 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.

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

Links Analysis

Performance & Runtime

  • Core Web Vitals: LCP Pass

    Largest Contentful Paint: 1.50s.

  • Core Web Vitals: CLS Pass

    Cumulative Layout Shift: 0.000.

  • Main Thread Blocking (TBT) Pass

    Total Blocking Time estimate: 0ms.

  • Broken Assets Pass

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

  • JavaScript Runtime Errors Warning

    1 JavaScript runtime issues detected.

    • • Request failed: https://linkscout-rust.vercel.app/login?_rsc=PJ-pDWdRfimO_hMS (net::ERR_ABORTED, type: fetch)

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