2. The apparatus of claim 1 , wherein the one or more hits are received in a search result list, and wherein the visibility module derives the hit visibility score based on a position of the one or more hits in the search result list.
2. The apparatus of claim 1 , wherein the one or more hits are received in a search result list, and wherein the visibility module derives the hit visibility score based on a position of the one or more hits in the search result list. 3. The apparatus of claim 2 , wherein the search result list includes one or more search results pages and wherein the position of the corresponding hit includes information about a page number of a page on which the corresponding hit is located and a location of the corresponding hit on the page.