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HTML Head Tag Auditor

Paste any HTML and instantly audit title, canonical, robots, Open Graph, Twitter Card, hreflang, and more.

Paste HTML

Paste your full <head> block or the entire HTML page

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Paste your <head> HTML on the left to get an instant audit of all SEO and social tags.

HTML Head Tag Auditor

The HTML Head Auditor checks your <head> section for all critical SEO, social sharing, and technical correctness signals — no network requests, no APIs, instant results. It checks charset, viewport, title, meta description, canonical, robots, Open Graph, Twitter Card, hreflang, and structured data.

What does the grade mean?

The grade reflects the ratio of passing checks to failed/warning checks. An "A" means most critical tags are present and correct. An "F" typically means missing essential tags like viewport, title, or canonical — issues that directly affect indexing and social sharing.

How do I get my <head> HTML?

Right-click any page → "View Page Source" (Ctrl+U), then copy everything between <head> and </head>. Or use dev tools → Elements tab → right-click the <head> element → "Copy outerHTML".

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Need help with inputs or downloads? Read the help page.