HTTP/2 introduced a `push` feature that was supposed to improve page speed by pushing assets to the browser before it even requested it. But this feature never really worked because the server doesn't know what assets the browser already have in cache, so it often end up wastful. Ultimately Chrome recently announced they'll be removing support for it soon ((https://evertpot.com/http-2-push-is-deadby elvinefendi - Ideas and Feature Requests