Security Headers Cheat Sheet

Common HTTP security header descriptions and one-click copy examples。 Runs locally—nothing uploaded.

Strict-Transport-Security: max-age=31536000; includeSubDomains

X-Content-Type-Options: nosniff

X-Frame-Options: DENY

Referrer-Policy: strict-origin-when-cross-origin

Permissions-Policy: camera=(), microphone=(), geolocation=()