Security Headers Analyzer
Analyze HTTP security headers for any website. Check for Content-Security-Policy, X-Frame-Options, HSTS, and other important security configurations.
Enter a website URL to check its security headers
Why Security Headers Matter
Security headers provide an additional layer of protection against common web vulnerabilities.
Prevent cross-site scripting (XSS) attacks
Block clickjacking and UI redressing
Force secure HTTPS connections
Control browser feature access
Why Check Security Headers?
Security headers are your first line of defense against common web attacks. They protect against XSS, clickjacking, MIME sniffing, and other vulnerabilities.
Frequently Asked Questions
What are HTTP security headers?
Security headers are HTTP response headers that instruct browsers how to handle your website's content, protecting against various attack vectors.
Which headers are most important?
Content-Security-Policy and Strict-Transport-Security are crucial. X-Frame-Options, X-Content-Type-Options, and Referrer-Policy are also highly recommended.
Will adding headers break my site?
Some headers like CSP need careful configuration. Start with report-only mode to identify issues before enforcing policies.
How do I add security headers?
Headers can be added via web server configuration (Apache, Nginx), application code, or CDN settings depending on your setup.