When it comes to acquiring a new customer, there are three fundamental obstacles that may lose you the sale.
Yesterday I told you about why AMP is definitely something to keep on your radar, today I'll tell you about PWAs.
<link rel=”preload”>is the standard way for loading files asynchronously via markup. Preload is a very powerful declarative primitive for fetching resources, but its most common use case scenario is for loading non-critical CSS.
This is the second part of our series on the performance of images, in the following we will be building a Custom Element implementing the inlining technique outlined earlier. Here’s what we’re going to do, we’re going to create a custom element