The HTTP security headers a browser actually enforces

HTTPS enforcement, HSTS, Content-Security-Policy, clickjacking protection, and cookie flag hygiene (Secure/HttpOnly/SameSite) — read from your site's real response headers. A header-hygiene check, not a penetration test.

Up to 5 pages free. 5 free scans/day per visitor.

Checks the headers your server actually sends, on every crawled page.

Clickjacking exposure checked correctly — only flagged when neither X-Frame-Options nor a CSP frame-ancestors directive is present.

Every missing header or cookie flag cited as evidence, with a concrete header to add.