~/tools / security-headers
Security Headers Checker
Scan HTTP security headers. Grades HSTS, CSP, X-Frame-Options and others, with explanations of what each header protects.
[ WARNING ]
Decent but improvable (68/100) — missing: Permissions-Policy · weak: content-security-policy
── output ─────
68
security_score
HTTP 200 · https://www.societegenerale.com/fr
Strict-Transport-Security (HSTS)
[ STRONG ]
// Forces HTTPS for all connections. Prevents downgrade attacks.
max-age=31536000; includeSubDomains, max-age=31536000
Content-Security-Policy (CSP)
[ WEAK ]
// Defines which sources of scripts/styles/images are allowed. Prevents XSS.
script-src 'self' 'unsafe-inline' 'unsafe-eval' 'unsafe-eval' www.googletagmanager.com tag.aticdn.net cdn.krxd.net polyfill.io polyfill-fastly.io unpkg.com sdk.privacy-center.org *.hotjar.com *.siteimprove.net *.siteimprove.com *.youtube.com tools.euroland.com trinitymedia.ai *.trinitymedia.ai; object-src 'none'; frame-ancestors 'self'; report-uri /report-csp-violation
X-Frame-Options
[ STRONG ]
// Prevents clickjacking by blocking iframe embedding from other origins.
SAMEORIGIN
X-Content-Type-Options
[ STRONG ]
// Prevents MIME sniffing. Should be 'nosniff'.
nosniff
Referrer-Policy
[ PRESENT ]
// Controls how much referrer info is leaked when navigating away.
same-origin
Permissions-Policy
[ MISSING ]
// Restricts which browser features (camera, mic, etc.) the page can use.
// missing — add this header to improve security