1. A computer-implemented method, comprising: generating a structure for a plurality of documents hosted on a network-based resource, the structure comprising a plurality of nodes representing the plurality of documents; determining a traffic pattern between a first document, a second document, and a third document of the plurality of documents, the traffic pattern determined based on traffic information associated with the network-based resource; grouping, based on the traffic pattern, a first node representing the first document and a second node representing the second document in a first group; grouping, based on the traffic pattern, the first group and a third node representing the third document in a second group; and displaying graphical indications in a user interface to indicate the traffic pattern by indicating the grouping of the first node and second node in the first group and by indicating the grouping of the first group and third node in the second group.