What's Next in the HTTP Caching World

Explore the evolution and future of HTTP caching in this conference talk from DevConf.CZ 2023. Delve into the history of HTTP caching mechanisms, starting with the Cache-Control header introduced in HTTP 1.1. Learn about stale responses, age headers, and TTL directives. Discover attempts to enhance caching behaviors, including X-prefixed headers and edge-side inclusion tags. Examine the developments in HTTP/2 and HTTP/3, including draft RFCs for improved cache handling and grouping cache keys. Gain insights into the latest improvements and new features for managing HTTP cache, equipping you with knowledge to optimize web performance and resource utilization.