Tweaking Mozilla Firefox

Open Applications Mozilla Firefox
In the address box, type about: config
press enter.
Appears all Mozilla Firefox preference list
Find the preference - preference that I mentioned below .. and then change its value

The way right click on the preference you want to change its value, then select modify.
Preference - the preference value is replaced as follows:
Example :

network.http.max-connections: 48
network.http.max-connections-per-server: 16
network.http.max-persistent-connections-per-proxy: 16
network.http.max-persistent-connections-per-server: 8
network.http.pipelining: true
network.http.pipelining.maxrequest: 20
network.http.proxy.pipelining: true

then make their own preference.
still in about: config
Right-click disembarang place, select new> string.
create a string with the name: nglayout.initialpaint.delay
fill its values: 0 (zero).
Example :