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Get HTTP Headers
View all HTTP response headers for any URL: cache, security, compression.
View HTTP headers for any URL
HTTP headers are invisible data exchanged between browser and server: status codes, content types, cache directives, security headers and redirects. It's like looking under the hood of a website.
How to use it
- Enter the URL to inspect
- Get all HTTP headers returned by the server
What headers reveal
- Cache-Control — is caching configured for speed?
- X-Robots-Tag — some robots directives live in headers, not HTML
- Location — redirect destination
- HSTS / CSP — security headers in place?
Combine with HTTP Status Code Checker and Server Status.
FAQ
Which HTTP headers matter for SEO?
Status code (200, 301, 404), X-Robots-Tag (can block indexing), Canonical, Hreflang (multilingual sites) and Cache-Control (loading speed). An X-Robots-Tag: noindex has the same effect as a meta noindex tag.
