Audit Result
UUID: 019f2d4a-179d-71bb-a254-80863891c2bd
https://textdiff.dev/
Scanned 1 week ago
Meta Information
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Title Tag Pass
Found 55 characters. Length is optimal.
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Meta Description Pass
Found 127 characters. Good snippet length.
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Canonical URL Pass
Canonical found: https://textdiff.dev/
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Viewport Meta Pass
Viewport configured: width=device-width, initial-scale=1.0
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HTML Lang Pass
Language declared as "en".
Content Structure
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H1 Tag Pass
Exactly one H1 found: "textdiff.dev".
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Heading Hierarchy Pass
Valid heading flow across 2 headings.
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Image Alt Text Error
1 of 2 images are missing alt text.
Fix: Add meaningful alt attributes to all informative images for accessibility and image SEO.
Technical Optimization
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HTTPS Pass
Page is served over HTTPS.
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HSTS & HTTPS Redirect Warning
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.
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Security Headers Pass
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
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CSP Quality Pass
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'
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Cookie Security Pass
No first-party cookies were set during the initial page load.
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Server response headers do not expose version tokens.
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Cloudflare Proxy Pass
Domain appears to be behind Cloudflare.
- • server: cloudflare
- • cf-cache-status: HIT
- • cf-ray: a15e6e1f4f29289e-IAD
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Perceived Load Time Pass
Loaded in 0.48s (perceived).
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Render Blocking Resources Warning
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.
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Compression Pass
Text-like assets appear compressed.
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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.
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Sitemap File Pass
Found sitemap (200) at https://textdiff.dev/sitemap.xml.
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Crawl Directives Pass
Robots meta found: index, follow
Accessibility Basics
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Form Labels Pass
All 2 controls are labeled.
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Landmarks Warning
Missing landmarks: nav.
Fix: Use semantic regions (<header>, <nav>, <main>, <footer>) for navigation and assistive tech.
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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
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Open Graph Basics Pass
Core Open Graph tags are present.
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Twitter Card Pass
twitter:card set to summary_large_image.
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Structured Data Warning
No JSON-LD schema scripts found.
Fix: Add JSON-LD structured data matching your page type (Organization, Article, Product, etc.).
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PWA Metadata Pass
Manifest and Apple touch icon are configured.
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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
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Internal Links Pass
Checked 3 links. No broken internal links found.
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External Links Pass
No broken external links found in checked URLs.
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Link Format Pass
All 3 links use non-empty href values.
Performance & Runtime
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Core Web Vitals: LCP Pass
Largest Contentful Paint: 0.48s.
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Core Web Vitals: CLS Pass
Cumulative Layout Shift: 0.000.
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Total Blocking Time estimate: 25ms.
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Broken Assets Pass
No failed CSS/JS/image/font/media requests detected.
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No console/page runtime errors detected during audit.