MetaTag Pro — SEO Meta Tag Analyzer

About

MetaTag Pro gives you instant, zero-lag SEO analysis for any web page — right from your browser toolbar.                        
                                                                                                                                  
Click the icon, get results. No waiting for API calls, no data sent to external servers. Everything runs locally in your browser.                                                                                                                        

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  ⚡ WHAT YOU GET

  ✦ SEO Score (0–100)
  Color-coded overall score with actionable errors, warnings, and passes. Know exactly what to fix and why.

  ✦ Meta Tag Analysis
  Title, description, canonical URL, robots directive, viewport, language, charset — plus a full list of every meta tag on the page.

  ✦ Heading Hierarchy
  Visual tree of all H1–H6 tags with counts per level. Instantly spot missing or duplicate H1s and broken heading structure.

  ✦ Social Preview (Open Graph & Twitter Cards)
  See exactly how a page will appear when shared on Facebook, Twitter/X, and LinkedIn. Includes og:image preview.

  ✦ Structured Data (JSON-LD)
  View and validate JSON-LD schema markup with formatted, syntax-highlighted output. Verify your structured data before Google
  sees it.

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  🔒 PRIVACY-FIRST

  • Zero data collection — nothing leaves your browser
  • No external API calls
  • No account required
  • Minimal permissions (activeTab + scripting only)

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  👤 WHO IT'S FOR

  • SEO professionals running quick on-page audits
  • Web developers verifying meta tags during development
  • Content creators checking social media previews before publishing
  • QA teams validating SEO implementation
  • Anyone who wants to understand what's under the hood of a web page

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  ✅ WHY METATAG PRO

  • Zero-lag — results appear instantly, no spinners
  • Lightweight — no bloat, no background processes
  • Clean UI — easy to read, color-coded feedback
  • Comprehensive — 5 analysis categories in one tool
  • Free — no premium tiers, no upsells

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  Built by khkstudios → https://khkstudios.com