Website security-headers audit: follows redirects (SSRF-guarded) and grades the ...
https://nightshift-x402.nightshift-labs.workers.dev/v1/web/security-headersOverview
Website security-headers audit: follows redirects (SSRF-guarded) and grades the final page A–F on HSTS, Content-Security-Policy (script-src unsafe-inline/eval/wildcards), clickjacking protection, nosniff, Referrer-Policy, Permissions-Policy, COOP, version-leaking Server/X-Powered-By headers and cookie Secure/HttpOnly/SameSite flags. Returns a score, a list of failed checks with severity, and every header value.