HTTP Security Headers
lardennais.fr
Final status: 200
http://lardennais.fr (301)https://lardennais.fr/ (301)https://www.lardennais.fr/ (200)
Security Headers
Strict-Transport-Security (HSTS) — missing
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 ALLOW-FROM http://data.lunion.fr/ http://data.lest-eclair.fr
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.