Free HTTP Headers Checker
View HTTP response headers from any website. Analyze server configuration, security headers, caching policies, and more.
HTTP Response Headers
Good Security Headers!
Your server has proper security headers. Want enterprise-grade hosting with automatic security configuration?
Missing Security Headers!
Your server is missing important security headers. This leaves your site vulnerable to XSS, clickjacking, and other attacks.
Our hosting includes:
Free migration + security setup included
Critical Security Issues Detected!
Your server is severely misconfigured. Missing critical security headers puts your users at serious risk.
You're vulnerable to:
- Cross-Site Scripting (XSS) attacks
- Clickjacking and UI redressing
- MIME-type confusion attacks
- Man-in-the-middle attacks
Important Security Headers
Strict-Transport-Security
Forces browsers to use HTTPS, preventing downgrade attacks and cookie hijacking.
Content-Security-Policy
Prevents XSS attacks by specifying which sources are allowed to load content.
X-Frame-Options
Prevents clickjacking by controlling whether your site can be embedded in iframes.
X-Content-Type-Options
Prevents MIME-type sniffing, forcing browsers to respect declared content types.