About
HTTP Observatory is a Mozilla tool that scans a website’s HTTP headers and related security settings to check compliance with common security best practices.
It provides automated findings and actionable feedback for developers and site administrators who want to review header-based protections and other basic web security configurations.
- HTTP header security assessment
- Automated compliance checks
- Actionable security feedback
- Mozilla-developed observatory tool
- Website security configuration review
Free Tier Value
10
FTV score
This free offering appears to be a permanently available, uncapped public tool with no signup or credit-card requirement shown on the page. Because there are no concrete quotas, credits, or trial limits to compare against a paid plan, there isn’t a defensible monthly dollar value to assign.
What's included in the free tier
- Free and unlimited HTTP security header scanning with actionable recommendations for any public website.