There are currently a number of alternatives for Mac users in term of web browsers. The built in Safari faces competition from the cross-platform Firefox browser which also been ported to use a native GUI with Camino.
When typing in an address sometimes you type in the wrong one or just an error page, this reference stays in your location bar, there should be a way to move commonly accessed sites into a “automatically tagged as frequently visited” and a way to remove addresses which do not exist or which are incorrect