firefox tune

Madthiu's PALACE :: 快治 Firefox 猛耗記憶體問題
How to fix the Firefox memory leak (Firefox hack) « //engtech

Set browser.cache.disk.capacity to between 5000 or 15000.

128MB to 512M -> 5000.
512BM to 1GB of RAM -> use 15000

Set network.prefetch-next to false.
browser.sessionhistory
set to 3