HeaderCheck v0.3.0

HeaderCheck v0.1.0

Initial developer release of HeaderCheck — a fast, deterministic header analysis tool for privacy and security.

Key features:

• Deterministic weighted scoring (SCM-2025.1)
• Zero telemetry (all evaluation runs locally)
• CSP, HSTS, COOP/COEP/CORP, Permissions-Policy, Referrer-Policy
• Graded vs informational header evaluation
• One-click instant analysis
• Minimal, privacy-aligned design

Assets included:

• headercheck-v0.1.0.zip — packaged Chrome extension bundle

This release sets the foundation for future updates, scoring model additions, and UI improvements.