A method is disclosed for diminishing user advertisement fatigue to increase click efficiency, including receiving a search query or browsing action from a user; analyzing a plurality of advertisements available for delivery to a search results page in response to the search query or browsing action; arranging the plurality of advertisements in a queue so that, when delivered sequentially from the queue, no advertisement is viewable more than once on a search results page, to thereby reduce advertisement fatigue of the user; and delivering the queued plurality of advertisements sequentially to the search results pages of the user.