Security Header Scanner

Check your website's security headers in seconds

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Free Scan

Check all essential security headers for free

Instant Results

Get results in seconds

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Detailed Reports

In-depth security analysis

About Security Header Checker

What is a Security Header Check?

A security header check analyzes the HTTP response headers of your website that are crucial for security. These headers help protect against various web vulnerabilities and attacks like XSS, clickjacking, and information disclosure.

How Does Our Header Checker Work?

This tool performs a real-time analysis of your website's security headers. Simply enter your domain name, and we'll check for all essential security headers, providing detailed information about both present and missing headers. The check is performed through secure HTTPS connections to ensure accurate results.

Want to Run This Tool Yourself?

You can run this security header checker tool locally on your own machine using the open-source project shcheck.

Visit the GitHub repository:

https://github.com/santoru/shcheck

This tool allows you to perform security header checks from your own environment, making it perfect for automation and integration into your security testing workflows.

Common Use Cases

  • Verify your website's security configuration
  • Audit security headers after server changes
  • Compare security headers across different environments
  • Ensure compliance with security best practices
  • Troubleshoot security-related issues

Supported Security Headers

Our tool checks for all crucial security headers including:

  • Content-Security-Policy (CSP)
  • X-Frame-Options
  • X-Content-Type-Options
  • Strict-Transport-Security (HSTS)
  • X-XSS-Protection
  • Referrer-Policy
  • Permissions-Policy
  • Cross-Origin Resource Sharing headers