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OWASP Security Headers Auditor - Audit HTTP Security Policies

Protect your web applications from clickjacking, cross-site scripting (XSS), and data leakage. Paste your website response headers to inspect active security directives recommended by OWASP guidelines.

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How to use OWASP HTTP Security Headers Auditor Online

  1. Step 1: Paste raw HTTP response headers into the auditing box.
  2. Step 2: Review the generated status report checkmarks.
  3. Step 3: Identify missing headers and read remedial implementation tips.
  4. Step 4: Configure your server to append critical defense directives.

Frequently Asked Questions

What is HSTS?

HSTS (Strict-Transport-Security) forces web browsers to communicate with your website exclusively over encrypted HTTPS connections.

Why is Content-Security-Policy (CSP) critical?

CSP prevents Cross-Site Scripting (XSS) by restricting the source domains that browsers are allowed to run scripts from.

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