HTTP Headers Checker
Analyze HTTP headers and security
Check HTTP Headers
https://
Enter domain name without https:// prefix
Quick Check Examples
Security Headers Guide
Essential Security Headers
- Content-Security-Policy: Prevents XSS attacks
- X-Frame-Options: Prevents clickjacking
- X-Content-Type-Options: Prevents MIME sniffing
- Strict-Transport-Security: Enforces HTTPS
- Referrer-Policy: Controls referrer information
Additional Headers
- X-XSS-Protection: Legacy XSS protection
- Permissions-Policy: Controls browser features
- Cache-Control: Controls caching behavior
- Server: Web server information
- Set-Cookie: Cookie security attributes
About HTTP Headers
What are HTTP Headers?
- • Metadata sent with HTTP requests/responses
- • Control browser and server behavior
- • Provide security and caching instructions
- • Can reveal server and technology information
- • Essential for web security and performance
Why Check Headers?
- • Identify security vulnerabilities
- • Verify security header implementation
- • Analyze caching configuration
- • Debug website issues
- • Compliance and security auditing
Note: This tool simulates HTTP header analysis. In a real implementation,
it would make actual HTTP requests to retrieve and analyze headers.
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