20. The one or more volatile or non-volatile computer storage media of claim 19 , wherein the multiple components also include a query language model component, a web site language model component, or an inverse document frequency component.
19. The one or more volatile or non-volatile computer storage media of claim 18 , the acts further comprising: obtaining query behavior from client-side query behavior logs by extracting data from the client-side query behavior logs to obtain a plurality of descriptive features for the searchable web sites; and determining static ranks of the searchable web sites using the plurality of descriptive features, wherein the ranking is based on multiple components including a static rank component, the static rank component being based on the static ranks.