Quick Tip: Turn off Prefetching in Firefox

Firefox has a spooky feature called “Prefetching” that downloads pages that it thinks you are going to click on. (note: this is a good excuse for how those pages ended up in your history). It’s also a waste of CPU and bandwidth that slows Firefox down.

To turn off this behavior, type about:config into the address bar, and then type the following into the Filter bar:



Just double-click the item in the list to change it to false.

Lowell Heddings is the founder and Editor-in-Chief of How-To Geek. He spends all his free time making sure this site can bring you fresh geekery on a daily basis, and has been doing so for over eleven years.