Free tool · SEO

HTTP Header Checker

See every response header a URL sends, and what the SEO and security ones actually do.

Any http or https URL. A page, a feed, an API endpoint or a file — this tool reads headers, so the content type does not matter.

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All free toolsSee how your own site is doing

Prefer to ask in plain English? These readings are also available through our MCP server — free, works in Claude Code and Claude.ai.

TriRank in your browser

See what AI engines already know about the site you're on, and test whether AI crawlers can actually reach it.

Add to Chrome