The Critical Request | CSS-Tricks →

Serving a website seems pretty simple: Send some HTML, the browser figures out what resources to load next. Then we wait patiently for the page to be ready.

Little may you know, a lot is going on under the hood.

Have you ever wondered how browser figures out which assets should be requested and in what order?

Today we're going to take a look at how we can use resource priorities to improve the speed of delivery.