Free Tool — No Account Required

HTTP Security Headers Check

Check any website for missing security headers — CSP, X-Frame-Options, HSTS, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy. Missing headers are low-hanging fruit for attackers.

Enter a URL

We’ll check for critical security headers and grade each one as present, missing, or misconfigured.

Results will appear here after you run a check.

What This Tool Checks

Content-Security-Policy

Controls which resources the browser can load. Missing CSP headers leave sites open to XSS and data injection attacks.

X-Frame-Options & HSTS

X-Frame-Options prevents clickjacking. HSTS forces HTTPS connections, blocking SSL-stripping attacks.

X-Content-Type-Options

Prevents MIME-type sniffing that can trick browsers into executing malicious content as scripts.

Referrer & Permissions Policy

Referrer-Policy controls info leakage. Permissions-Policy restricts access to browser features like camera, mic, and geolocation.

This tool scratches the surface. The full platform goes deeper.

Continuous web application scanning, automated header monitoring, and compliance-mapped remediation guidance — all white-labeled under your MSP brand.