Technical · Free tool

HTTP header checker

View the response headers of any URL and check the ones that matter for SEO, speed and security.

Free · No sign-up to see your score · We only read public pages

What it checks

HTTP Header Checker: what you get

  • Status code and content type
  • Caching headers
  • X-Robots-Tag
  • Security headers: HSTS, CSP, X-Frame-Options, nosniff, Referrer-Policy

Real checks, no invented numbers

Everything in the result comes from your live page or from Google’s own APIs. We never make up authority, traffic or ranking figures.

Safe and private

We only read publicly available pages. Results are stored privately and shared only through your report link.

Built by an SEO team

The same checks our team uses for clients in the USA, Canada and Australia.

Frequently asked questions

What is X-Robots-Tag?

An HTTP header that can tell search engines not to index a URL — useful for PDFs and files without HTML. If it says noindex on a page you want ranked, remove it.

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