SEO Checker — Free On-Page SEO Audit Tool

Instantly audit any webpage's SEO. See meta tags, headings, images, Open Graph data, and an overall SEO score. No signup needed.

SEO Checker by NowViralFeed gives you a complete on-page SEO audit for any webpage in seconds. Click the extension icon on any website to see: • SEO score out of 100 with animated score ring • Top issues ranked by severity (high, medium, low) • Title tag and meta description check (length + presence) • H1 heading structure check • HTTPS status • Image alt text audit • Open Graph tags (Facebook, Twitter/X preview) • Structured data (Schema.org) detection • Canonical URL, viewport, language attribute checks Click "View Full Report" to open a detailed report on NowViralFeed with: • Social media preview (how your page looks when shared) • Full heading tree (H1–H6) • Links analysis (internal, external, empty links) • Content stats (word count, reading time, text/HTML ratio) • Technical SEO checklist Works on any public webpage. No account. No signup. No data sent to any server — everything runs locally in your browser. Works on Chrome, Brave, and Opera. Built by NowViralFeed — free tools for content creators and marketers.