Cache Header Analyzer
Cache-Control/ETag Strategy Analysis
Cache Header Analyzer Usage Guide
Main Features
- Cache Strategy Detection - Distinguish between strong cache and negotiated cache
- Directive Analysis - Explain the meaning of each Cache-Control directive
- Optimization Suggestions - Provide cache configuration optimization suggestions
- Dual Mode Input - Support URL fetching or manual paste of response headers
Cache Strategy Description
- Strong Cache: Use local cache directly, no request sent (max-age/Expires)
- Negotiated Cache: Send request to validate, return 304 if unchanged (ETag/Last-Modified)
- No Cache: no-store directive prohibits caching
- Recommend using long-term strong cache + filename hash for static resources