SEO Checker — Free On-Page SEO Audit Tool

About

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.