4. The method of claim 1 , wherein the time spent at the browsed Web page is an average time spent by a plurality of different users at the browsed Web page responsive to a search based upon criteria similar to the query criteria.
5. The method of claim 4 , further comprising: limiting an affect that each of the different users has upon the browsing-time factor compared to the other ones of the different users so that no one user is able to dominate a calculation of the time spent at the browsed Web page.