Audit Result

UUID: 01a004a2-4269-70d6-93d5-1ba3531fd869

hemolink-nu.vercel.app

https://hemolink-nu.vercel.app/

Scanned 3 weeks ago

76
Fair Score
39 total checks
Passed
21
Warnings
17
Errors
1

Meta Information

  • Title Tag Pass

    Found 34 characters. Length is optimal.

  • Found 141 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: /favicon.svg (HTTP 200).

    Favicon
  • Viewport configured: width=device-width, initial-scale=1.0

  • HTML Lang Pass

    Language declared as "fr".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "Un geste de dix minutes.Trois vies sauvées.".

  • Valid heading flow across 36 headings.

  • All 0 images include alt text.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • 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.

  • Missing: content-security-policy, x-frame-options, x-content-type-options, referrer-policy.

    Full HTTP headers (14)
    • • accept-ranges: bytes
    • • access-control-allow-origin: *
    • • age: 1311
    • • cache-control: public, max-age=0, must-revalidate
    • • content-disposition: inline
    • • content-length: 695
    • • content-type: text/html; charset=utf-8
    • • date: Sat, 15 Aug 2026 08:55:35 GMT
    • • etag: "8565d359e23a81241d211635718b14cf"
    • • last-modified: Sat, 15 Aug 2026 08:33:43 GMT
    • • server: Vercel
    • • strict-transport-security: max-age=63072000; includeSubDomains; preload
    • • x-vercel-cache: HIT
    • • x-vercel-id: iad1::mxcdj-1786784135099-26b40527230e

    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.

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

  • Server response headers do not expose version tokens.

  • Domain does not appear to be behind Cloudflare.

  • Loaded in 0.22s (perceived).

  • 0 scripts and 1 styles may block rendering.

    • • style: https://hemolink-nu.vercel.app/assets/index-DgY8GJCi.css

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

  • Compression Warning

    1 text resources look uncompressed.

    • • https://hemolink-nu.vercel.app/ (text/html; charset=utf-8)

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

  • Robots.txt Error

    robots.txt missing or inaccessible (404).

    Fix: Create a robots.txt file at https://hemolink-nu.vercel.app/robots.txt and allow intended crawlers.

  • Sitemap File Warning

    Sitemap missing or inaccessible at https://hemolink-nu.vercel.app/sitemap.xml (404).

    Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://hemolink-nu.vercel.app/sitemap.xml

  • No robots meta tag defined.

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

Accessibility Basics

  • All 8 controls are labeled.

  • Landmarks Pass

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

  • Tap Target Size Warning

    24 interactive elements appear smaller than 48px.

    • • a.flex.items-center (HemoLink - retour à l'accueil) - 126x28px
    • • a#nav-pourquoi.block.whitespace-nowrap (Pourquoi donner) - 134x36px
    • • a#nav-eligibilite.block.whitespace-nowrap (Éligibilité) - 83x36px
    • • a#nav-deroulement.block.whitespace-nowrap (Déroulement) - 113x36px
    • • a#nav-centres.block.whitespace-nowrap (Centres) - 79x36px
    • • a#nav-reserves.block.whitespace-nowrap (État des réserves) - 139x36px
    • • a#nav-faq.block.whitespace-nowrap (FAQ) - 52x36px
    • • a.inline-flex.items-center (Tester mon éligibilité) - 191x40px
    • • button.inline-flex.items-center (Vérifier mon éligibilité) - 214x44px
    • • button.inline-flex.items-center (Sang total) - 116x34px
    • • button.inline-flex.items-center (Plasma) - 88x34px
    • • button.inline-flex.items-center (Plaquettes) - 116x34px
    • • button.flex.items-center (Ouverts maintenant) - 184x24px
    • • button.inline-flex.items-center (Tout réinitialiser) - 146x16px
    • • a.inline-flex.items-center (Itinéraire) - 151x34px
    • • a.inline-flex.items-center (Appeler) - 149x34px
    • • a.inline-flex.items-center (Itinéraire) - 151x34px
    • • a.inline-flex.items-center (Appeler) - 149x34px
    • • a.inline-flex.items-center (Itinéraire) - 151x34px
    • • a.inline-flex.items-center (Appeler) - 149x34px
    • • a.inline-flex.items-center (Itinéraire) - 151x34px
    • • a.inline-flex.items-center (Appeler) - 149x34px
    • • a.inline-flex.items-center (Itinéraire) - 151x34px
    • • a.inline-flex.items-center (Appeler) - 149x34px

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

Social & Rich Results

  • Missing og:title or og:description.

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

  • og:image is missing.

    Fix: Add <meta property="og:image" content="https://..."> with a high-quality share 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.

  • 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: Use an absolute URL for og:image or twitter:image.
    • • 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.

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

Links Analysis

  • Checked 9 links. No broken internal links found.

  • External Links Warning

    1 external links returned errors or timed out.

    • • https://ants.bj/ (HTTP 403)

    Fix: Replace dead external URLs or point to working alternatives.

  • All 40 links use non-empty href values.

Performance & Runtime