Security Headers Checker
Enter your website URL to scan for crucial security headers and see how to improve your site's security.
About Security Headers Checker
This tool analyzes your website's HTTP headers to check for crucial security parameters that protect against XSS, clickjacking, and other attacks.
It provides an overall security grade and detailed recommendations on how to configure each header for maximum protection.
How to use
- Enter your full website URL (e.g., https://example.com).
- Click the Check Headers button.
- Review the grade and the list of detected or missing headers.
- Use the recommendations to improve your server configuration.
Tips
- Aim for an A+ grade by configuring all recommended headers.
- Use a strict Content Security Policy (CSP) to defend against XSS.
- Always enable HSTS (Strict-Transport-Security) to enforce HTTPS.
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Security Headers FAQ
What are security headers?
These are HTTP response headers that a server sends to the browser to enable built-in security mechanisms against common web vulnerabilities.
What does the grade mean?
The grade reflects the implementation level of security best practices. A higher grade means better protection for your users.
Do security headers affect SEO?
Yes. Search engines like Google prioritize secure websites. Headers like HSTS are positive factors.
Is it safe to check my URL here?
Yes. We only analyze your server's public response headers and do not store any data.