Free Website
Security Check
Enter your URL and get an instant A–F security grade — TLS, security headers, cookies, and exposed information, checked in seconds.
Passive, read-only checks — no signup required.
What we check
Passive checks of your public attack surface
TLS & certificate
Protocol versions, certificate validity and expiry, and whether traffic is forced onto HTTPS.
Security headers
Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, X-Content-Type-Options, and friends.
Cookie security
Secure, HttpOnly, and SameSite flags on the cookies your site sets — the difference between a session and a stolen session.
Exposed information
Server banners, framework version leaks, and other details your responses reveal to anyone who asks.
FAQ
Security check questions
Beyond the surface
Find what a grade can't show
Headers and TLS are the front door. Penetrify's AI pentest tests what's behind it — authentication, access control, injection, and business logic. Results in minutes.