Some most common keyboard shortcuts for mozilla firefox
Spacebar (page down)
Shift-Spacebar (page up)
Ctrl+F (find)
Alt-N (find next)
Ctrl+D (bookmark page)
Ctrl+T (new tab)
Ctrl+K (go to search box)
Ctrl+L (go to address bar)
Ctrl+= (increase text size)
Ctrl+- (decrease text size)
Ctrl-W (close tab)
F5 (reload)
Alt-Home (go to home page)
Keyboard shortcuts for Tab navigation
Ctrl+Tab (rotate forward among tabs)
Ctrl+Shft+Tab (rotate to the previous tab)
Ctrl+1-9 (choose a number to jump to a specific tab)
Some awesome mouse tips for firefox
Middle click on link (opens in new tab)
Shift-scroll down (previous page)
Shift-scroll up (next page)
Ctrl-scroll up (decrease text size)
Ctrl-scroll down (increase text size)
Middle click on a tab (closes tab)
Speed Up Your Firefox
Type “about:config” into the address bar and hit return. Type “network.http” in the filter field, and change the following settings (double-click on them to change them):
Set “network.http.pipelining” to “true”
Set “network.http.proxy.pipelining” to “true”
Set “network.http.pipelining.maxrequests” to a number like 30. This will allow it to make 30 requests at once.
Also, right-click anywhere and select New-> Integer. Name it “nglayout.initialpaint.delay” and set its value to “0″. This value is the amount of time the browser waits before it acts on information it receives.