Essentials

An application programming interface (API) facilitates communication between technology products and systems. It is sometimes said that APIs…

A cache is a location that temporarily stores data for faster retrieval by the things that need to access it. Caching refers to the process of storing this data.

A content delivery network, or CDN, is a network of servers distributed all across the world that work together to make delivering content…

Cache invalidation, otherwise known as purging or cache purge, is the process of eliminating content from cache ahead of when it would naturally expire or be evicted. Once content is purged, a request for that content will be retrieved from the source rather than the cache.