openauditB85out of 100: openaudit's audit of itself
web.headers

Security headers

Checks CSP, HSTS, framing, MIME sniffing, referrer and permissions policies, cross-origin isolation, version disclosure, CORS and cookie flags on the target URL.

Engine
Built-in
Targets
URL
Areas
Security, Best practices, Privacy
Runs
By default, when the target applies
Network
Only the target itself

Run only this auditor

bunx openaudit https://example.com --only web.headers

Built into openaudit; nothing to install.