1. A method for analyzing performance of content items within a network site, comprising: at a server computer having access to network activity information on the network site, determining, for each of the content items (c i ) residing at a network address within the network site, a measure of how many clicks it takes, on average, for a user to reach c i during a session at the network site; determining a real-estate performance value for c i utilizing the measure associated with C i ; and generating a graph displaying the content items, wherein the graph is generated utilizing the real-estate performance value for c i .