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HTTP Security Headers

Analyze HTTP security headers and get a security grade

About HTTP Security Headers

Analyze HTTP security headers of any URL and get a letter grade (A+ to F) with remediation code snippets for each missing header.

How to use HTTP Security Headers

  1. 1Enter the full URL of the site to analyze (e.g., https://example.com).
  2. 2Click 'Analyze' to scan the response headers.
  3. 3Review your security grade and see which of the 10 key security headers are present or missing.
  4. 4Expand each missing header to read why it matters and what attacks it prevents.
  5. 5Copy the remediation snippets (Nginx, Apache, or meta tag) to fix your server configuration.

Tips

  • An A+ grade requires all 10 headers including newer ones like COOP, CORP, and COEP.
  • Some headers like X-XSS-Protection are deprecated but still recommended for legacy browser compatibility.
  • Compare results with the HTTP Headers Checker tool for a more complete picture of your headers.

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OneKitTools TeamUpdated 2.21.4