More than 35% of the internet browsers use Mozilla Firefox as their default browser. Shortcuts mentioned below are very useful and time-saving while surfing, some with the keyboard and some with the mouse.
Help F1
Add Boookmark CTRL+D
Bookmarks Sidebar CTRL+B
History CTRL+H
Clear Private Data CTRL+SHIFT+Del
Full Screen F11
Increase Text Size CTRL++
Decrease Text Size CTRL--
Restore Text size CTRL+0
Reload F5
Force...