how to speed up internet connection in mozilla firefox

1.open your FireFox browser and type about: config and then enter.
2.find and Change the data as below:
-network.http.pipelining>> true
-network.http.proxy.pipelining>> true
-network.http.pipelining.maxrequests>> 100 (fill in between the bigger the faster 30-100)
3.The finished right-click anywhere and select New>> Integer, fill in name and content valuenya nglayout.initialpaint.delay with 0.