SiteSecurityScore

Audit your Website's Security

Scan. Score. Secure.

Enter any URL and get a full security assessment with letter grades, prioritized fixes, and exportable reports. Set up daily monitoring and CSP violation tracking before issues become incidents.

github.com

Free security scanning. 10,000+ websites analyzed. Results in seconds.

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Security Headers·CSP·TLS/SSL·DNS·Cookies·Monitoring·MCP Connector

What you get

Everything needed to understand and improve your security posture.

Full security assessment

Headers, TLS, DNS, cookies, and CSP policies all checked, graded, and explained with ready to use fix instructions.

CSP violation monitoring

Real time browser CSP violation reports from your visitors, with one click proposed fixes you can paste into your policy.

Network error monitoring

DNS, TLS, and HTTP failures your users actually hit, captured via Network Error Logs your servers never see.

Daily monitoring & reports

Automated daily scans with email digest on changes, plus PDF exports and shareable reports for your team or auditors.

Scan pages behind login walls

The browser extension captures real response headers from authenticated sessions. Scan dashboards, admin panels, and internal tools that the server scanner can't reach. Same scoring, same recommendations.

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Start scanning

Free security analysis. No account required.

Scan your site

Or set up daily monitoring for your sites