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HTTP Header Checker

Check HTTP response headers of any URL

Enter a full URL including http:// or https://

HTTP Headers Tips

  • Use X-Frame-Options to prevent clickjacking attacks
  • Set Content-Security-Policy to prevent XSS attacks
  • Enable Strict-Transport-Security for HTTPS sites
  • Use Cache-Control headers for better performance
  • Set X-Content-Type-Options to prevent MIME sniffing
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