MetaTag Pro — SEO Meta Tag Analyzer

Instant, zero-lag on-page SEO analysis. Check meta tags, headings, Open Graph, Twitter Cards, and JSON-LD schema on any page.

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. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚡ 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. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔒 PRIVACY-FIRST • Zero data collection — nothing leaves your browser • No external API calls • No account required • Minimal permissions (activeTab + scripting only) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 👤 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 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✅ 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 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Built by khkstudios → https://khkstudios.com