Patent ID: 8661111

Claim:
A system for estimating a number of times content has been accessed via a network, the system comprising: an estimating device to determine an estimate of a number of times that a webpage has been accessed at a web server; a prober to repeatedly send requests to the web server for the webpage and, in response, receive content files; and a statistical summarization system including a processor to determine a number of times that a first content object is included in the content files received in response to the requests, determine a total number of the requests, and estimate a number of times that the first content object has been accessed by visitors of the webpage by: determining a rotation rate for the first content object by dividing the number of times that the first content object was included in the content files received in response to the requests by the total number of the requests; and determining the number of times that the first content object has been accessed by visitors by multiplying the estimate of the number of times that the webpage has been accessed by the rotation rate.