HTTP Header Checker

Check HTTP response headers for any URL

Enter a URL above to check HTTP headers

How to use HTTP Header Checker

  • Enter URL: Type or paste a complete URL including https:// (e.g., https://example.com) into the input field
  • Click Check: Click the "Check" button to send a request to the URL and retrieve all HTTP headers from the server response
  • Review Headers: Examine the returned headers including response status, content type, server information, security headers, and caching directives

Frequently Asked Questions

What are HTTP headers?

HTTP headers are key-value pairs sent between a web client and server. They contain important information about the request/response, including content type, caching instructions, security settings, and more.

Why should I check HTTP headers?

Checking HTTP headers helps you understand how a website handles requests, verify security headers are properly configured, troubleshoot web issues, and ensure proper caching and content delivery.

What security headers should I look for?

Important security headers include Content-Security-Policy, X-Frame-Options, Strict-Transport-Security, X-Content-Type-Options, and Referrer-Policy. These help protect against various web vulnerabilities.