The Cache Belongs to the Function

A few years ago, the question about caching in modern web frameworks was whether it should be on by default. That question is largely settled. Frameworks that defaulted to caching every fetch and rendering every page statically have walked the defaults back; frameworks that didn't, didn't have to. The argument that caching should be opt-in, and that the developer should be the one who decides where it pays, has won. Anyone arguing it today is arguing against a position the industry has already c