Here are a few tips that might help while browsing the web to get around your screen a bit faster without using your mouse.
Go directly to the Address Bar - (to type in a new site)
Firefox: Control/Command + L
Chrome/Safari/WebKit: Control/Command + L
Internet Explorer: Alt + D
Opera: Control/Command + L
Get to your browser search box - (to search something)
Firefox: Control/Command + K
Safari: Command + Option + F
Internet Explorer: Control + E
Opera: Control/Command + E