If you want super fast browsing in Firefox that makes use out of your high speed Internet connection here is how you can do it.

Open a new tab and type the address about:config

Search for the following settings and change them to the corresponding value.

NAME - VALUE

network.http.pipelining - true
network.http.proxy.pipelining - true
network.http.pipelining.maxrequests - 32
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
plugin.expose_full_path - true

Next add these new boolean settings (right click; New; boolean)

content.interrupt.parsing - true
content.notify.ontimer - true

Finally add these new integer settings (right click; New; integer)

content.notify.backoffcount - 5
ui.submenuDelay - 0
content.max.tokenizing.time - 2250000
content.notify.interval - 750000
content.switch.threshold - 750000
nglayout.initialpaint.delay - 0
browser.cache.memory.capacity - 65536