SEO DevFix

About

SEO DevFix analyzes any web page and gives you ready-to-paste code fixes for every SEO issue detected. No guessing —
   just copy the fix and paste it in your editor.

  200+ SEO checks including:                                                                                          
   
  TECHNICAL SEO                                                                                                       
  ✓ HTTPS, canonical URL, viewport, lang attribute
  ✓ noindex / nofollow detection
  ✓ Meta refresh redirects
  ✓ Multiple canonical / title tags
  ✓ hreflang, AMP link, PWA manifest

  META TAGS
  ✓ Title: missing, too short, too long
  ✓ Meta description issues
  ✓ Open Graph (og:title, og:image, og:url)
  ✓ Twitter Cards

  CORE WEB VITALS (measured live)
  ✓ LCP — Largest Contentful Paint
  ✓ CLS — Cumulative Layout Shift
  ✓ FCP — First Contentful Paint
  ✓ TTFB — Time to First Byte

  CONTENT QUALITY
  ✓ Thin content, keyword stuffing
  ✓ Lorem ipsum / placeholder text
  ✓ Missing author, date, reading time
  ✓ Ad density detection

  IMAGES
  ✓ Missing alt text, broken images
  ✓ Old formats (JPEG/PNG vs WebP)
  ✓ Missing srcset, dimensions, lazy loading

  LINKS
  ✓ Generic anchor text
  ✓ Missing noopener, nofollow issues
  ✓ Affiliate links without rel=sponsored
  ✓ Broken anchor links

  STRUCTURED DATA
  ✓ Article, FAQ, BreadcrumbList schemas
  ✓ Organization, Product, VideoObject
  ✓ Invalid JSON-LD detection

  MOBILE SEO
  ✓ Viewport overflow
  ✓ Tap targets too small
  ✓ Intrusive popups detection
  ✓ Font size issues

  E-E-A-T SIGNALS
  ✓ Missing About / Contact / Privacy pages
  ✓ No author bio, no social links
  ✓ Cookie consent (GDPR)

  PERFORMANCE
  ✓ Render-blocking scripts
  ✓ DOM size, too many external scripts
  ✓ Google Fonts optimization
  ✓ Missing preconnect / dns-prefetch

  100% private. All analysis runs locally in your browser. No data sent anywhere. No account required.