HTTP Security Header Analyzer

Analyze HTTP security headers with compliance checking and security scoring

Security Headers Reference

Content-Security-Policy

Controls which resources can be loaded. Prevents XSS and data injection attacks.

default-src 'self'; script-src 'self' 'unsafe-inline'
Importance:

Strict-Transport-Security

Forces HTTPS connections. Protects against protocol downgrade attacks.

max-age=31536000; includeSubDomains; preload
Importance:

X-Content-Type-Options

Prevents MIME type sniffing. Reduces exposure to drive-by downloads.

nosniff
Importance:

X-Frame-Options

Controls whether the page can be embedded in frames. Prevents clickjacking.

DENY
Importance:

Referrer-Policy

Controls how much referrer information is sent with requests.

strict-origin-when-cross-origin
Importance:

Permissions-Policy

Controls which browser features can be used (camera, mic, location, etc.).

camera=(), microphone=(), geolocation=()
Importance:

Analyze HTTP Security Headers

Paste HTTP response headers above to analyze security configuration and get recommendations for improvement.