HTTP Security Headers
perl.org
Final status: 200 · Server: Combust/Plack (Perl)
http://perl.org (301)https://perl.org/ (301)https://www.perl.org/ (200)
Security Headers
Strict-Transport-Security (HSTS)
Forces browsers to use HTTPS, preventing protocol-downgrade attacks.
Content-Security-Policy (CSP) — missing
Limits where scripts/resources can load from — the strongest defense against XSS.
X-Frame-Options deny
Blocks the site from being embedded in iframes (clickjacking protection).
X-Content-Type-Options
Stops browsers from MIME-sniffing responses away from the declared type.
Referrer-Policy — missing
Controls how much referrer information is sent to other sites.
Permissions-Policy — missing
Restricts access to browser features like camera, microphone, geolocation.