How to Use the HTTP Headers & Security Checker
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1
Enter any website URL (e.g. https://github.com).
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2
Click Inspect Headers to evaluate essential security headers.
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3
Review recommendations for Content-Security-Policy, HSTS, and X-Frame-Options.
Practical Example & Use Case
Common Real-World Scenario
Hardening your web server against clickjacking and MIME-type sniffing attacks.
Technical Notes & Limitations
Browser Engine Architecture
Calculates complete security compliance matrix with actionable code snippets for Nginx and Apache.
Frequently Asked Questions
Why is HSTS crucial?
HTTP Strict Transport Security (HSTS) prevents man-in-the-middle attacks by forcing browsers to only connect over encrypted HTTPS.