Caching best practices & max-age gotchas
Getting caching right yields huge performance benefits, saves bandwidth, and reduces server costs, but many sites half-arse their caching, creating race conditions resulting in interdependent resources getting out of sync.
A really really really good overview of how caching works shown through the medium of group text messaging (seriously, just read the article… it’s worth it)
An excerpt from Caching best practices & max-age gotchas
