HTTP Headers Checker

View the HTTP response headers and status code of any URL, with a security header review.

Processing and privacy

Processing varies by tool. Check the instructions for local processing, server requests, external services and any file or request limits before entering sensitive information.

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Clear instructions

Find steps, examples and limitations below.

Use online

Open the tool in a supported web browser.

Free to use

No sign-up required. Tool-specific limits may apply.

Reference resources

HTTP Status Code Reference
Common HTTP codes, redirect behavior and troubleshooting notes.
MIME Type Reference
Common web extensions and media types for Content-Type headers.
HTTP Headers Reference
Request and response headers for caching, compression, redirects and security.

How to use the HTTP Headers Checker

View the HTTP response headers and status code of any URL, with a security header review.

1 Enter the page URL and choose GET or HEAD. Keep Follow redirects ticked to see the final page.
2 Click Check headers.
3 Read the status, redirect hops, every header and the security header review.

Example and practical tips

Checking your homepage after enabling HTTPS should show a Strict-Transport-Security header. If it is listed as missing, add it in your server or CDN settings.

Frequently asked questions

What is the difference between GET and HEAD?

HEAD asks for the headers only, without the page body. Some servers answer HEAD differently, so GET shows exactly what browsers receive.

Are cookies or logins sent?

No. The request comes from our server without your cookies, so you see what an anonymous visitor gets.

How to Use HTTP Headers Checker
Check the HTTP response headers and status code of any URL, follow redirects and review security headers such as HSTS, CSP and X-Frame-Options.