Speedup Browsing with Firefox.

Disable Prefetch.

Type about: config in the address bar and then enter the following command in the filter bar: network.prefetch-next. Then double-click on this setting and set its value to false. This will disable prefetch.

Increase the speed of Firefox.

network.http.pipelining false to true
network.http.pipelining.maxrequests 30 to 8
network.http.max-connections 30 to 96
network.http.max-connections-per-server 15 to 32
network.http.pipelining.ssl false to true
network.http.proxy.pipelining false to true

Remove thumbnail images shown in tabs.

Type browser.chrome.image_icons.max_size in the filter bar and press Enter. Double-click on it and set a new value between 60-1200.If you don’t want thumbnail images to be displayed change the value to 0 and press Enter.

Disable the offline cache capacity.

We can disable the amount of cache used to store web applications for offline use.Type “
browser.cache.offline.capacity” in the filter bar and then double-click to set the value to a new one. If you want to disable the feature completely then set the browser.cache.offline.enable setting to False by double-clicking on it.