A server receives, from a user terminal, the page operation data produced when a user performs operations on each page of a designated program, a user's identifier, and a page identifier operated by the user. The server conducts statistics for the page operation data and obtains a total number of the user operations on the page during a preset statistical period according to the identifier of the user and the identifier of the page that the user operated. The server generates a statistics tree corresponding to a sequential relationship among the pages according to the sequential relationship among the pages, the total number of user operations on each of the pages within the preset statistical period, and the page operation data.