Firefox is already really comfortable when it comes to searching the web. One search box is displayed by default which is great if you want to do a fast search for something. Did you know that there is another way, even faster and better than this one ? Firefox supports so called keyword searches which means that you define a keyword for a certain search engine and can use that keyword to search it without visiting the website of that search engine.
Let me give you an example to clear things up. You may right-click any form field in Firefox and select the menu entry Add a Keyword for this search. Selecting this opens a new Add Bookmark menu which asks for a name and a keyword. I went to ebay.com and did a right-click on their site search. I entered the keyword “e” and the name eBay.
Typing in “e computer” would have the effect that a search on eBay would be performed with the search string computer. I only have to type this phrase into the address bar to perform the search. The same method works for other websites including, Google, Yahoo, IMDB, Deviantart, Myspace and Slashdot.

There is another possibility to use keywords. Every bookmark has a keyword object that is normally empty. By assigning a keyword to a bookmark you can use that keyword to open the url. If you use gH for Ghacks for instance it would open my site if you would type in gH into the address bar. Pretty nice for sites that you do visit a lot.
Last but not least you can add wildcards to urls as well. If you edit a bookmark you see that it asks for a location and a keyword. The locations is normally the url of the website and the keyword the shortcut key. A wildcard would be added to the location to further customize a search or visit a special part of a website.
The wildcard symbol is “%s” which means that a valid location would be for instance http://%s.google.com/. If g would be assigned as the keyword you would be able to access Google websites such as adsense (adsense.google.com) or video (video.google.com).
inspiration found @ Tutorial Ninjas
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[...] found this interesting tip on Ghacks. Firefox has a nice built in feature that I never knew about. If you use a search engine a lot, [...]