Abstract: Embodiments for targeting information to a website visitor are disclosed. One method includes collecting behavioral data of a plurality of users from a plurality of websites. The collected behavioral data is analyzed. For this embodiment, analyzing the collected behavior data includes clustering the collected behavioral data according to behavioral factors wherein collected behavioral data within each cluster include at least one common statistic, and collected behavioral data of different clusters have at least one differentiating statistic. Further, a server collects present user data while a present user is visiting a target website. The present user data is matched with at least one of the clusters of behavior factors based on a comparative analysis of the present user data with the clustered behavior factors.