First, go to about:config
Filter browser.sessionhistory
Click the one that has total_viewers at the end
Change -1 to 0
Ctrl + J
Click Clean Up
Go to run
Type firefox -safe-mode
BOOM!
Go to about:config
Filter network.http
Set network.http.pipelining to true
Set Network.proxy.pipelining to true
Set network.http.pipelining.maxrequests to somewhere from 8-15