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 · category
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.
Choose a guide below, then follow its practical examples and related reading. Each article links to a primary technical reference so you can check the underlying guidance.
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.