1 // Disable "safe browsing" feature that hogs CPU, HDD, etc.

     2 pref("browser.safebrowsing.enabled", false);

     3 pref("browser.safebrowsing.malware.enabled", false);

     4 

     5 //  Limit the "location-bar suggestions"

     6 pref("browser.urlbar.maxRichResults", 3);

     7 

     8 // Disable offline/disk caching of web pages

     9 pref("browser.cache.offline.enable", false);

    10 pref("browser.cache.disk.enable", false);

    11 

    12 // Change the default cache:

    13 pref("browser.cache.memory.enable",true);

    14 pref("browser.cache.memory.capacity", 1024);