You can follow any of these methods and find out how fix Firefox using too much memory and CPU resources.
There is a total of six useful methods which we are going to share in this Mozilla Firefox speed up tutorial. Method 4: Don’t Remember Download History.Method 3: Reduce Mozilla Browser Session History.Method 2: Releasing Memory after Minimizing Firefox.Method 1: Fix Firefox High Memory Usage by Assigning Fixed Memory Cache.How to Reduce Firefox High Memory Usage.