Well this is clever: " HTTP/2.0 enables a server to pre-emptively send (or "push") multiple associated resources to a client in response to a single request.

Well this is clever: " HTTP/2.0 enables a server to pre-emptively send (or "push") multiple associated resources to a client in response to a single request. This feature becomes particularly helpful when the server knows the client will need to have those resources available in order to fully process the originally requested resource. " If someone asks for your HTML, might as well send them the CSS, JS, and images it is going to use. Would cut down on requests. Only thing more efficient than compression, is not having to ask in the first place.