1. A machine-implemented method for providing aggregated analytics tracking data associated with a dynamically generated session in response to a query for analytics tracking data, the method comprising: receiving a query for analytics tracking data associated with a period of time, wherein the analytics tracking data includes data for tracking activity associated with a web site or application; determining analytics tracking data for aggregating according to the period of time in order to associate the aggregated analytics tracking data with a dynamically generated session; and providing the aggregated analytics tracking data associated with the dynamically generated session in response to the query.