1. Open Mozilla.
2. Typing in the address bar "about: config" (without the servant).
3. Scroll your mouse down and look for "network.http.max-connections", double click and the input value
"64".
4. Search for "network.http.max-connections-per-server", double click and the input value "21 ".
5. Search 'network.http.max-persistent-connections-per-server ", double click and enter the value" 8 ".
6. Doube click on the "network.http.pipelining" to "true".
7. Search for "network.http.pipelining.maxrequests", double click and the input value "100".
8. Double click on the "network.http.proxy.pipelining" to "true".
9. The final step, right-click anywhere select: New>> integrar>> then write "nglayout.initialpaint.delay" (without the quotation marks ". Then enter the value" 0 ".
Feel the difference immediately, your internet speed will be faster once was wis wus. :-)
good luck
but the end is also dependent on your computer hardware.your computer specs