CDN Caching and Cache-Control: A Practical Guide
Build safer cache policies with clear freshness windows, accurate validators, predictable cache keys, and practical checks for private responses.
The Edge Journal · tag
HTTP caching
Decide what can be reused, how long it stays fresh, and how an update reaches every visitor. These guides connect HTTP cache directives with practical release and rollback decisions.
Freshness is a contract between your publishing process and the caches serving your content. Read both guides together to connect response policy, content versions, and safe invalidation.
Journal guides
Cache Invalidation: Publish Updates Without Surprises
Use versioned assets, dependency manifests, and targeted purges to publish updates reliably across edge, browser, and application caches.