HTTPS Enabled
content-security-policydefault-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://m.korrektur.de https://js.stripe.com https://challenges.cloudflare.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:; img-src 'self' data: https: blob:; connect-src 'self' https://m.korrektur.de https://api.stripe.com https://challenges.cloudflare.com; frame-src https://js.stripe.com https://challenges.cloudflare.com; worker-src 'self' blob:; object-src 'none'; base-uri 'self'; form-action 'self' https://api.stripe.com; frame-ancestors 'self'Controls resources the browser can load. Prevents XSS.
x-content-type-optionsnosniffPrevents MIME type sniffing. Should be 'nosniff'.
x-frame-optionsSAMEORIGINControls framing. Use CSP frame-ancestors instead.
strict-transport-securitymax-age=31536000; includeSubDomainsForces HTTPS. Recommended: max-age=31536000; includeSubDomains
referrer-policystrict-origin-when-cross-originControls referrer info. Recommended: strict-origin-when-cross-origin
permissions-policycamera=(), microphone=(), geolocation=()Controls browser features. Recommended: camera=(), microphone=(), geolocation=()
cross-origin-opener-policyControls cross-origin window access. Recommended: same-origin
cross-origin-resource-policyControls cross-origin resource access. Recommended: same-origin
cross-origin-embedder-policyControls cross-origin embedding. Recommended: require-corp
cache-controlmax-age=2419200, stale-while-revalidate=604800, publicCaching policy. Use no-store/private for sensitive pages.
x-powered-byShould be removed. Reveals server technology to attackers.
Missing: cross-origin-opener-policy
Recommendation: Controls cross-origin window access. Recommended: same-origin
Missing: cross-origin-resource-policy
Recommendation: Controls cross-origin resource access. Recommended: same-origin
Missing: cross-origin-embedder-policy
Recommendation: Controls cross-origin embedding. Recommended: require-corp