HTTP Headers Checker
View HTTP response headers for any URL
Enter any website URL to fetch and analyze its HTTP response headers. We'll automatically add https:// if needed.
Why Check Security Headers?
Security headers protect your website against common attacks like XSS, clickjacking, and MIME sniffing. They're set by your web server and cost nothing to implement. Missing security headers are one of the most common findings in security audits.
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What is HTTP Headers Checker?
Free online HTTP headers checker to inspect HTTP response headers for any URL.
See all server response headers including content-type, cache-control, security headers (HSTS, CSP, X-Frame-Options), compression, cookies, and custom headers. Includes a security score based on recommended header best practices. Essential for debugging, security auditing, and performance optimization. No signup required.
How to Use HTTP Headers Checker
- 1Enter the URL to check
- 2Click Check to fetch the HTTP headers
- 3View all response headers in a formatted table
- 4Check the security score and missing header recommendations
Frequently Asked Questions
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