By default Firefox is displaying each result in two rows. The first row is showing the title of the result while the second row contains the url of it. If you are like me you prefer a trimmed down version that does not fill that many screen estate. This can be done by removing the titles of the entries that are found.
The Stylish script
Url dropdown on one row (hide Title) removes the title from the results and effectively halves the screen estate that is being used by the box in Firefox 3. The
Stylish add-on has to be installed before the script can be installed to the system. T
After the add-on has been installed the script can be saved from its
userstyles page. It will become available immediately and can be tested right away by typing a phrase into the location bar.
But beware. That script can cause some confusion if you are not used to identify websites by looking at their urls. This is not always possible of course but mostly it is. The add-on is not that useful if you have installed the
Searchery add-on as well which displays search results in the menu as well which is extremely hard to identify without page titles.
Trim down the Location Bar in Firefox 3 to show results in one line 
Trim down the Location Bar in Firefox 3 to show results in one line 
Linear Mode
