Free website security scanner that checks HTTP headers, TLS/SSL, DNS security, CSP violations reporting and web server hardening with actionable fix guidance.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online


The only alternative to Observatory so far is SiteSecurityScore, which has a free version. It runs on the web.
Free website security scanner that checks HTTP headers, TLS/SSL, DNS security, CSP violations reporting and web server hardening with actionable fix guidance.

