Get a free analysis of your website's security headers. Achieve an A-F grade by checking HSTS, CSP, X-Frame-Options, and more.
Security headers are HTTP response headers that your web server sends to your browser, protecting your site from various types of attacks. This free tool queries the server for six critical security headers in the URL you enter; it lists the presence, value, and a short recommendation for each, then gives an overall security rating from A+ to F.
The topics analyzed are as follows: Strict-Transport-Security (HSTS) It makes the site accessible only via HTTPS; Content-Security-Policy (CSP) It prevents XSS attacks by defining which resources can be loaded; X-Frame-Options It protects against clickjacking by preventing your site from being displayed in other sites' iframes; X-Content-Type-Options It disables MIME type prediction; Referrer Policy It controls which visitor referrer information is shared with third parties; Permissions Policy It restricts access to browser features such as camera, microphone, and location.
Adding these headers makes your site much more resilient against common web security vulnerabilities such as XSS, clickjacking, MIME sniffing, data leakage, and unauthorized API access. The results are queried in real-time through our server; local and private network addresses are blocked for security reasons.
mod_headers with .htaccess or httpd.conf to the file Header set You can add directives in Nginx. add_header The following directive is used. Security plugins for WordPress or .htaccess This arrangement is sufficient.Content-Security-Policy-Report-Only It is recommended to test in reporting mode with the title.