~/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.
[ OK ]
Strong security headers (90/100).
── output ─────
90
security_score
HTTP 200 · https://www.natwest.com/
Strict-Transport-Security (HSTS)
[ STRONG ]
// Forces HTTPS for all connections. Prevents downgrade attacks.
max-age=31536000; includeSubDomains; preload
Content-Security-Policy (CSP)
[ STRONG ]
// Defines which sources of scripts/styles/images are allowed. Prevents XSS.
upgrade-insecure-requests;
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.
strict-origin-when-cross-origin
Permissions-Policy
[ PRESENT ]
// Restricts which browser features (camera, mic, etc.) the page can use.
geolocation=(self "https://natwest.com")