All tools
Free toolComing soon

Security Headers

CSP, HSTS, X-Frame-Options, cookie flags — graded.

This tool isn't live yet. Want a notification when it ships?

Security Headers is part of the bleek free-tools family — single-purpose, no-signup security checks you can run against any URL or domain.

The full scanner at the top of the homepage already does this check (and 13 others) as part of every scan. Try a full free scan instead.