Does this show every server header?
No. It shows a curated set of response headers relevant to page delivery, caching, and SEO checks.
Free HTTP header checker
HTTP Header Checker: See the Response Signals Behind Your Page
Inspect one public URL without a full site crawl. Check the response headers that affect caching, content handling, and crawler instructions.
Turn an opaque server response into an actionable check
Submit one public URL to receive a focused technical SEO report.
Turn an opaque server response into an actionable check
- 1Paste one public URL.
- 2Follow its bounded redirect path.
- 3Review the final status and selected response headers.
Related technical SEO tools
Canonical Tag Checker: Confirm the URL Search Engines Should Prefer
Check one public page before publishing, migrating, or investigating duplicate-content signals. See the rendered canonical tag beside the final page URL.
Hreflang Checker: Review the Language Versions Your Page Declares
See the alternate-language links present after rendering so you can spot duplicate, missing, or unexpected hreflang declarations before international pages compete with each other.
XML Sitemap Checker: Check One Sitemap Before You Rely on It
Paste the direct URL of an XML sitemap to inspect its format, top-level entries, duplicate locations, and basic delivery signals. It never crawls the URLs inside.
Frequently asked questions
What is X-Robots-Tag?
It is an HTTP response header that can give crawlers directives such as noindex, even when the page HTML looks normal.
Does it grade my security setup?
No. The report provides context headers but is not a security certification.