Answering your question slightly different from interpreted vs compiled: There are lot of things on the web today that are compilers: Jekyll and multiple stati

Answering your question slightly different from interpreted vs compiled: There are lot of things on the web today that are compilers: Jekyll and multiple static site generators compile static pages. A cache like Varnish works as the end-point of a process that results in a compiled result, to the same interpretation doesn't need to be done ('compiled').