A system and method for compiling search results is presented herein. A method can include gathering user behavior data, filtering the user behavior data, performing update calculations on the filtered user behavior data, using a decaying function to aggregate the filtered user behavior data; and facilitating the presentation of aggregated user behavior data. The user behavior data can include the user history for a plurality of users at an Internet-accessible site. The site can be an eCommerce site and the user history can include purchase and browsing history that can be used to determine a popularity of items sold by the eCommerce site. Facilitating the presentation can include displaying products in order of popularity. Other embodiments are also disclosed herein.