1. A method for optimizing storage of Web storage attributes through analytics, comprising: identifying and storing in memory of a computer, utilization of different Web storage attributes by different end users across different Web application sessions from different Web browsers; analyzing the stored utilization of different Web storage attributes to identify a past scope of utilization for each of the different Web storage attributes; and, responsive to receiving a request from a requestor for an optimal storage location of a particular Web storage attribute, determining an identified past scope of utilization for the particular Web storage attribute, mapping the determined identified past scope of utilization for the particular Web storage attribute to the optimal storage location, and returning an indication of the mapped optimal storage location of the particular Web storage attribute to the requestor.