Website Security Headers & SSL Checker
Analyze HTTP response security headers including Strict-Transport-Security (HSTS), Content-Security-Policy (CSP), X-Frame-Options, X-Content-Type-Options, and Referrer-Policy.
About the Security Headers Checker
Inspect HTTPS, HSTS, Content Security Policy (CSP), X-Frame-Options, and critical HTTP security headers. Use it as a quick first review, then prioritise improvements that matter most to your visitors and business goals.
How to get better results
- Use HTTPS on every public URL.
- Review security headers after platform changes.
- Keep DNS authentication records maintained.
Important: It does not perform intrusion testing, vulnerability exploitation, or a complete security certification.
Security Headers Checker FAQs
What does the Security Headers Checker do?
Inspect HTTPS, HSTS, Content Security Policy (CSP), X-Frame-Options, and critical HTTP security headers. It is designed to help you identify practical next steps without needing to install software or create an account.
How does the Security Headers Checker work?
The tool inspects publicly exposed HTTP headers or DNS records and highlights configuration gaps. Results are based on the URL, domain, or values you submit at the time of the check.
Why is Security Headers Checker important?
It helps ensure your public website and business communications present stronger trust and security signals. Small issues can compound across search visibility, user trust, and business enquiries.
Are the Security Headers Checker results completely accurate?
It does not perform intrusion testing, vulnerability exploitation, or a complete security certification. Use the result as a practical starting point and validate important changes in your live environment.