Server & Network

HTTP Header Viewer

View all HTTP response headers, status code, and final address after redirection for a URL. Examine server, cache, and security headers in a single table.

Query HTTP Headers
Information

About HTTP Header Viewer

HTTP headers (response headers) are metadata lines that a web server sends to a browser. These headers carry a wealth of information, including server software, content type, caching rules, cookies, compression, and security policies. This free tool sends a request to the address you enter via our server and lists all received response headers in a simple table along with their HTTP status codes.

Developers and site owners can use this tool to check whether the CDN is active. Cache-Control and ETag settings, Content-Type accuracy, server software (Server) And Strict Transport Security It uses security headers like these to quickly check the address. If there's a redirect, the final URL is also shown; so you can easily see where an address lands.

The query is processed securely on the server side: only http/https Certain addresses are allowed, local and private network addresses (localhost, 127.0.0.1, 10.x, 192.168.x, etc.) are blocked, and the request times out after a certain period.

How to use it?

Step by step

  1. The address you want to check https://example.com Enter it in this format.
  2. Get the titles click the button.
  3. HTTP status code, final (post-redirect) URL and all response headings They are listed in the table.
  4. If you wish, you can change the title values. copy Add it to your clipboard using the button.
FAQ

Frequently Asked Questions

Response headers are technical information that the server sends to the browser: such as content type, caching duration, server software, cookies, compression, and security policies. Examining them helps diagnose performance and security issues.

Some servers may block bot requests, respond very slowly, time out, or use invalid certificates. Also, for security reasons, queries cannot be made to local network and private IP addresses (localhost, 127.0.0.1, 192.168.x, etc.).

If the address you entered contains one or more redirects (301/302), the actual address reached at the end of the request will be shown as the final URL. For example, a redirect from http:// to https://.

Yes, if the server is sending it, headers like Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options will also be listed. You can also use our Security Headers tool for a detailed analysis of these.
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