Symfony 4: HTTP/2 Push and Preloading

A few months ago, I’ve contributed a new component to Symfony: WebLink. By implementing cutting edge web standards, namely HTTP/2 Server Push and W3C’s Resource Hints, it brings great opportunities to boost webapp’s performance. Thanks to Symfony WebLink, HTTP/2 (h2) servers are able to push resources to clients before they even know that they need them (think to CSS…