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Security Headers🛡️ Security Headers
Security Headers Checker
Check HTTP security headers for any website. Verify CSP, HSTS, X-Frame-Options, and more.
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CSP Analysis
Content Security Policy check
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HSTS Verification
HTTP Strict Transport Security
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Full Report
All security headers at a glance
Why Use This Tool?
HTTP security headers protect your visitors from XSS, clickjacking, and other attacks. Missing headers leave your site vulnerable.
- Protect visitors from cross-site scripting (XSS)
- Prevent clickjacking attacks
- Ensure HTTPS enforcement with HSTS
- Meet security compliance requirements
What We Check
- Content-Security-Policy (CSP)
- Strict-Transport-Security (HSTS)
- X-Frame-Options
- X-Content-Type-Options
- Referrer-Policy
- Permissions-Policy
Frequently Asked Questions
Is this security headers check free?
Yes, completely free.
What is the most important security header?
Content-Security-Policy (CSP) is the most powerful — it prevents XSS and data injection.
How do I add security headers?
They are configured in your web server (nginx, Apache) or application code.