Spróbuj tych ustawień (takie zmainy wprowadza programik CB Mozilla Optimizer):
user_pref("content.notify.ontimer", true);user_pref("content.notify.interval", 100);user_pref("content.notify.backoffcount", 200);user_pref("network.http.pipelining", true);user_pref("network.http.proxy.pipelining", true);user_pref("network.http.pipelining.maxrequests", 8);user_pref("network.http.max-connections", 60);user_pref("network.http.max-connections-per-server", 32);user_pref("network.http.max-persistent-connections-per-proxy", 16);user_pref("network.http.max-persistent-connections-per-server", 8);user_pref("nglayout.initialpaint.delay", 0);