Audit Result

UUID: 019f2d4a-179d-71bb-a254-80863891c2bd

textdiff.dev

https://textdiff.dev/

Scanned 1 week ago

88
Excellent Score
39 total checks
Passed
32
Warnings
5
Errors
2

Meta Information

  • Title Tag Pass

    Found 55 characters. Length is optimal.

  • Found 127 characters. Good snippet length.

  • Canonical found: https://textdiff.dev/

  • Favicon Pass

    Favicon found and reachable: /favicon.ico (HTTP 200).

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

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "textdiff.dev".

  • Valid heading flow across 2 headings.

  • 1 of 2 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.

  • 1 HTTPS hardening issues detected.

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

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

  • Core security headers were detected.

    Full HTTP headers (19)
    • • access-control-allow-origin: *
    • • age: 17361
    • • alt-svc: h3=":443"; ma=86400
    • • cache-control: public, max-age=0, s-maxage=2592000
    • • cf-cache-status: HIT
    • • cf-ray: a15e6e1f4f29289e-IAD
    • • content-encoding: gzip
    • • content-security-policy: default-src 'self'; script-src 'self' https://textdiff.stats.fiveem.com; script-src-attr 'unsafe-inline'; img-src 'self' data:; media-src 'self' blob:; connect-src 'self' https://textdiff.stats.fiveem.com; frame-ancestors 'self'; base-uri 'self'; form-action 'self'; object-src 'none'
    • • content-type: text/html
    • • date: Sat, 04 Jul 2026 13:20:56 GMT
    • • last-modified: Sat, 04 Jul 2026 06:53:57 GMT
    • • permissions-policy: camera=(), microphone=(), geolocation=(), payment=(), usb=()
    • • referrer-policy: strict-origin-when-cross-origin
    • • server: cloudflare
    • • strict-transport-security: max-age=31536000; includeSubDomains
    • • svid: f65ad34723a3b53442c6e20a30d896e0a94374a8018b05f1846f7e1ca99833ace6e461f059ef22b231a1243cbb575eb3570bece2a40664554cc0dc646688af5c964f735cadedeedaa666c10e828bf452bc7ca5625b0843ab85e3fb0ca5f322c173fdd382e500fa1069f16b21bf92ee4df861e0a87f6ccdbe97eea1e80cf6c54df63a32e94ae0381aeafe9fd5396a745855517e4bfbc4d1727038c96b8629968cc10831f7bd2a998e2ea97584f3436e2599eb3846a280f79c59fa432ed3d368358eb7a28a9eda1ea55f7d20cd9c4cf8f4ddb3ecc72119f4558268807ea9de8a50dd262e
    • • vary: Accept-Encoding
    • • x-content-type-options: nosniff
    • • x-frame-options: SAMEORIGIN
  • Content Security Policy looks restrictive and avoids common unsafe directives.

    • • Content-Security-Policy: default-src 'self'; script-src 'self' https://textdiff.stats.fiveem.com; script-src-attr 'unsafe-inline'; img-src 'self' data:; media-src 'self' blob:; connect-src 'self' https://textdiff.stats.fiveem.com; frame-ancestors 'self'; base-uri 'self'; form-action 'self'; object-src 'none'
  • No first-party cookies were set during the initial page load.

  • Server response headers do not expose version tokens.

  • Domain appears to be behind Cloudflare.

    • • server: cloudflare
    • • cf-cache-status: HIT
    • • cf-ray: a15e6e1f4f29289e-IAD
  • Loaded in 0.48s (perceived).

  • 0 scripts and 1 styles may block rendering.

    • • style: https://textdiff.dev/assets/index-DBdadb0r.css

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

  • Text-like assets appear compressed.

  • Robots.txt Error

    robots.txt missing or inaccessible (404).

    Fix: Create a robots.txt file at https://textdiff.dev/robots.txt and allow intended crawlers.

  • Found sitemap (200) at https://textdiff.dev/sitemap.xml.

  • Robots meta found: index, follow

Accessibility Basics

  • All 2 controls are labeled.

  • Landmarks Warning

    Missing landmarks: nav.

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

  • Tap Target Size Warning

    2 interactive elements appear smaller than 48px.

    • • a.powered-by (✨ This project is powered by LunaFinder) - 289x24px
    • • button.btn-primary (Compare paragraphs) - 201x38px

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

Social & Rich Results

  • Core Open Graph tags are present.

  • og:image is present and absolute.

    Open Graph Image
  • twitter:card set to summary_large_image.

  • Structured Data Warning

    No JSON-LD schema scripts found.

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

  • Manifest and Apple touch icon are configured.

  • Social preview metadata and image quality look good for Open Graph/Twitter.

    • • 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: 0.26 MB
    • • MEASURED: Image dimensions: 1200x630

Links Analysis

Performance & Runtime