TOOLSTEKNO

HTTP Headers Checker

Inspect the security and server response headers for any URL to identify optimization opportunities.

How to Use HTTP Headers Checker

  1. 1

    Enter URL

    Type or paste the URL whose HTTP headers you want to inspect.

  2. 2

    Send Request

    Click Check to send an HTTP request and retrieve the full response headers.

  3. 3

    Analyze Headers

    Review security headers (HSTS, CSP, X-Frame-Options), caching headers (Cache-Control, ETag), and server information.

Frequently Asked Questions

What are the most important security headers?
Key security headers include Strict-Transport-Security (HSTS), Content-Security-Policy (CSP), X-Content-Type-Options, X-Frame-Options, and Referrer-Policy.
Why should I check HTTP headers?
Headers reveal how your server handles caching, security, CORS, and compression. Misconfigured headers can hurt SEO, performance, and security.