HTTP Observatory

HTTP header security test by Mozilla

A web tool that scans a site's HTTP headers and security configurations, including CSP and HSTS, and provides actionable recommendations to address potential security vulnerabilities. It can also scan other websites for comparison.

Category: Security
Pricing: free
Free tier: yes
API: unknown
MCP server: unknown
SDK: unknown
Open source: unknown

#security-scanning #http-headers #csp #hsts #web-security

Alternatives to HTTP Observatory →

Listed 2026-10-21 · last verified 2026-10-21 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.9

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API

curl https://toolgrep.com/api/products/http-observatory