How browsers schedule and execute scripts can impact the performance of web pages. While…
Author: Surma
Let’s say you want to track when an element in your DOM enters the visible viewport. You might want to do this so you can lazy-load images just in time or because you need to know if the user is actually looking at a…
New to Chrome 51, passive event listeners are an emerging web standard that provide a major potential boost to scroll performance. Check out the video below for a side-by-side demo of the improvements in action:
Author: Paul Lewis
The new CSS Containment property lets developers limit the scope of the browser’s styles, layout and paint work.