Date: 12/20/04 (Java Web)    Keywords: java

Typing a keyword like java in the location box does an automatic search and takes you to the first link it finds. It fails when the link contains a (dot). This is useful for "I'm lucky" kind of search.

Source: http://blog.taragana.com/index.php/archive/simple-quick-search-i-am-lucky-feature-in-firefox/