HTTP Header Checker
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Response Headers
How it works
Fetch HTTP headers from a URL. Note: Due to CORS, may work only with CORS-enabled sites or through a proxy.
Common Headers
Content-Type
Content-Length
Server
Cache-Control
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Frequently Asked Questions
The HTTP Header Checker allows you to inspect HTTP response headers, status codes, redirects, cache settings, server details, and other important website header information.
Enter the website URL into the HTTP Header Checker tool and instantly view HTTP response headers and related technical details.
HTTP headers help search engines and browsers understand how webpages should be handled, cached, indexed, redirected, and secured, which can impact SEO and performance.
Yes, the tool can identify HTTP status codes such as 200, 301, 302, 404, and redirect-related response headers.
Yes, the HTTP Header Checker is completely free to use online without registration or downloads.