Add Keyword

There's this cool feature in Firefox I never knew about until someone pointed it out at work. You can add a keyword for different search engines, so that you can type the keyword in the address bar as well as the search term and it will search the site. For example, I have "yt" set for YouTube. If I go to the address bar (Ctrl-L shortcut) and type "yt street fighter" it will search "street fighter" in YouTube! It's more efficient than using the search bar on the upper right of Firefox, since you can easily choose the search engine provided that you remember the keyword. To add the keyword, right-click the search bar in whatever site, and choose "Add a Keyword for this Search...." Easy peasy.