Creating a Cache-aware HTTP/2 Server Push Mechanism

If you've been reading at all about HTTP/2, then you've likely heard about server push. If not, here's the gist of it: Server push lets you preemptively send an asset when the client requests another. To use it, you need an HTTP/2-capable web server, and then you just set a Link header for the asset you want to push like so:

Link: </css/styles.css>; rel=preload

If this rule is set as a response header for an HTML resource, say index.html, …

Creating a Cache-aware HTTP/2 Server Push Mechanism is a post from CSS-Tricks