HTTP Response Header Inspector
Inspect the HTTP response headers returned by a web server.
How to Use HTTP Header Checker
- 1
Enter a URL.
- 2
Click 'Check Headers'.
- 3
Review the raw HTTP response, including Content-Type, Cache-Control, and Server details.
Frequently Asked Questions
What are HTTP headers?▾
HTTP headers are the core part of HTTP requests and responses. They contain metadata like content type, server info, and caching directives.
Why should I check my HTTP headers?▾
Checking headers helps debug caching issues, verify security headers (like HSTS or CSP), and ensure correct content encoding.
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