advanced-caching-strategies

Multi-layer caching strategies across CDN, browser, server, and database. PROACTIVELY activate for: (1) HTTP caching headers, (2) CDN configuration, (3) Server-side caching with Redis, (4) Cache invalidation strategies, (5) ETag implementation. Triggers: "caching", "cache strategy", "CDN", "browser cache", "server cache", "redis", "cache invalidation", "ETag", "Cache-Control"