"By default in Firefox you can type one or more keywords in the location bar. Firefox recognizes that it is not an URL and uses I'm Lucky search with Google search engine for version < 2; it uses Google search by name for Firefox version 2 and above. Here is how you can change it.
1. Type about:config in the location bar and press Enter.
2. Type keyword.URL in filter and double-click on the displayed line. You will note that the default value is something like:
3. Change it to the query string of another search engine of your choice. For example if you want to use our blog results for your default search then you should replace it with:
5. Hit OK and close the browser tab.
You are done. Now you can use your favorite search engine to search using your location bar, instead of Google." blog.taragana.com