Ad-infested pages often feel sluggish even after all the readable content has loaded. It feels like the page hasn't finished loading yet. After all, it takes C

Ad-infested pages often feel sluggish even after all the readable content has loaded. It feels like the page hasn't finished loading yet. After all, it takes CPU, RAM, and bandwidth to run scripts and load images in the background. The difference is especially noticeable on mobile, and it's even worse when the scripts trigger redraws or mess with the scrolling.