SEO Health Checker - On-Page SEO Audit

Analyze on-page SEO health for any webpage. Check meta tags, headings, links, schema, images, keyword density, and SEO Health score.

SEO Health Checker is a powerful yet lightweight on-page SEO Chrome extension that helps you get a comprehensive audit of any webpage, identify critical issues, receive clear, actionable recommendations, and view an overall SEO score to improve your search engine rankings in seconds. Designed for SEO professionals, digital marketers, developers, and content teams, this extension replaces repetitive manual SEO checks with instant, real-time insights directly on the live page. Whether you’re auditing a landing page, product page, blog post, or SaaS page, SEO Health Checker gives you everything you need without running heavy crawlers. 🚀 Key Features (Basic and Advanced) ⚡ Basic Features of SEO Health Checker Perfect for daily SEO reviews and quick audits: ✔ Meta Title and Meta Description Analyzer: Real-time length validation with SEO best-practice limits ✔ Canonical URL Checker: Instantly detects missing or mismatched canonical tags ✔ Heading Structure Audit (H1–H6): Visual hierarchy with alerts for missing or multiple H1s ✔ Structured Data Detection: Detect, preview, and copy JSON-LD schema markup ✔ Internal vs External Link Analysis: Dofollow and nofollow breakdown with live highlighting ✔ Image SEO Audit: Find images missing alt attributes with previews ✔ Overall SEO Health Score: On-page SEO score shown directly on the extension badge ⚡ Advanced Features of SEO Health Checker Built for deeper optimization and faster decision-making: ✔ Primary Keyword Analyzer: Checks keyword presence in - Title, Headings (H1/H2), Meta description, URL, First 100 words ✔ Keyword Density and Phrase Analysis: Analyze 2–5 word keyword combinations with density % ✔ Live Page Highlighting: Instantly highlight headings, external links, and nofollow links ✔ Site Verification Tag Detection: Detect Google, Bing, Ahrefs, Facebook, Pinterest, and more tag ✔ One-Click Copy Tools: Copy meta tags, structured data, and social tags instantly and more ✔ Clean UI with Dark Mode: Comfortable audits during long SEO sessions 🎯 Ideal Use Cases of SEO Health Checker SEO Health Checker is perfect for: ✔ Pre-launch landing page SEO audits ✔ Ecommerce product page SEO checks ✔ Content QA before publishing ✔ Reviewing pages built by dev or content teams ✔ Quick SEO sanity checks without full crawls 🔒 Privacy-First and Lightweight ✔ Works directly on the page ✔ No data sent to external servers ✔ Fast, clean, and easy to use Why SEO Professionals Love SEO Health Checker ✔ Saves time ✔ Reduces manual SEO work ✔ Improves on-page SEO accuracy ✔ Perfect for daily SEO workflows If you’re looking for a free, fast, and reliable on-page SEO Chrome extension, SEO Health Checker is built for you.