Here a little utility that miraculously, lowers Firefox memory usage to even 500K with three tabs opened, incredible. My Firefox use to be typically 120MB.

Firefox is my favorite browser. But tabs and extensions (I usually use +15 extensions), sometimes turn Firefox into a heavy burden on system resources.

Firefox Ultimate Optimizer it’s an small tool that drastically reduces the browser’s craving for memory and CPU. 

It’s extremely efficient, highly recommended.

Download it Here