HTTP Security Header Analyzer Tool
Check the security headers of any website to improve your site's security posture
Analyzing security headers...
Security Headers Analysis
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Start Free TrialHow to Use the HTTP Security Headers Analyzer Tool
Enter a website URL (including https:// or http://) and click "Analyze Headers" to check the security headers implemented on the site. The tool will show which important security headers are present or missing and provide an overall security score.
Why HTTP Security Headers Matter
HTTP security headers are directives that your web server returns with HTTP responses to help browsers enhance the security of your website. Properly configured security headers can protect your site from various attacks like XSS, clickjacking, and content injection.
Key Security Headers Explained
- Content-Security-Policy (CSP) - Controls which resources the browser is allowed to load, preventing cross-site scripting (XSS) attacks.
- Strict-Transport-Security (HSTS) - Forces browsers to use HTTPS, protecting against downgrade attacks and cookie hijacking.
- X-Content-Type-Options - Prevents browsers from MIME-sniffing and interpreting responses as a different content type.
- X-Frame-Options - Protects against clickjacking attacks by controlling if a page can be displayed in a frame.
- Referrer-Policy - Controls how much referrer information is included with requests.
- Permissions-Policy - Allows you to control which browser features can be used on your website.
Why You Should Secure Your Website
Implementing proper HTTP security headers is essential for any website, especially those handling sensitive data. A secure website protects your users' data, maintains their trust, and helps prevent potential data breaches or legal issues related to inadequate security measures.
Frequently Asked Questions
Q. Does this tool store or share the websites I analyze?
No. All analyses are performed through a secure proxy, and no URLs or results are stored on our servers.
Q. How accurate is the security score?
The score is based on the presence and configuration of essential security headers as recommended by OWASP and security experts. It provides a good indication of your site's header security posture, but a complete security assessment would require more comprehensive testing.
Q. Why can't I analyze localhost or internal URLs?
The tool requires publicly accessible websites to analyze their headers. For testing local sites, consider using browser developer tools to inspect headers directly.
Q. How often should I check my security headers?
It's recommended to check your security headers after any significant changes to your website, when updating your web server configuration, or at least quarterly as part of regular security reviews.
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