~/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.

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[ WARNING ] Decent but improvable (52/100) — missing: X-Frame-Options, Referrer-Policy · weak: content-security-policy
── output ─────
52
security_score
HTTP 200 · https://n26.com/en-eu
Strict-Transport-Security (HSTS)
[ STRONG ]
// Forces HTTPS for all connections. Prevents downgrade attacks.
max-age=31536000; includeSubDomains; preload
Content-Security-Policy (CSP)
[ WEAK ]
// Defines which sources of scripts/styles/images are allowed. Prevents XSS.
report-uri /report-csp;report-to /report-csp;base-uri 'self';child-src number26://* *.n26.com n26.com *.doubleclick.net pixel.mathtag.com n26.go2cloud.org www.googletagmanager.com *.youtube-nocookie.com youtube-nocookie.com boards.greenhouse.io;connect-src 'self' https://spc.n26.com * https://*.logs.datadoghq.eu;font-src 'self' data:;img-src https://spc.n26.com 'self' data: images.ctfassets.net images.contentful.com * *.greenhouse.io;media-src videos.contentful.com videos.ctfassets.net;object-src 'none';style-src 'unsafe-inline' 'self' tagmanager.google.com;script-src 'self' cdn.number26.de 'unsafe-inline' * connect.facebook.net *.youtube-nocookie.com s.ytimg.com youtube-nocookie.com youtube.com boards.greenhouse.io datadoghq.eu datadoghq-browser-agent.com cdn.cookielaw.org;worker-src 'self';default-src *;frame-ancestors app.contentful.com 'self' *.n26.com;frame-src *.n26.com www.googletagmanager.com *.doubleclick.net www.youtube-nocookie.com boards.greenhouse.io job-boards.greenhouse.io
X-Frame-Options
[ MISSING ]
// Prevents clickjacking by blocking iframe embedding from other origins.
// missing — add this header to improve security
X-Content-Type-Options
[ STRONG ]
// Prevents MIME sniffing. Should be 'nosniff'.
nosniff
Referrer-Policy
[ MISSING ]
// Controls how much referrer info is leaked when navigating away.
// missing — add this header to improve security
Permissions-Policy
[ PRESENT ]
// Restricts which browser features (camera, mic, etc.) the page can use.
accelerometer=(), autoplay=(self), camera=(), fullscreen=(self), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), usb=()
// Save n26.com → we'll run this daily and alert on changes. /signup →