Patent ID: 7406516

Claim:
A method for monitoring use of a resource by a client connected to a computer network having one or more servers in communication with one or more clients, the method comprising: receiving at a client a first HTML document, identified by a first URL, from a first web server, the first HTML document comprising a link to one or more first instructions, the one or more first instructions resident on a second server; running, by the client, the one or more first instructions linked to by the first HTML document, the one or more first instructions operative to cause the client to generate a first indication of receipt of the first HTML document by the client; receiving at the client a second HTML document identified by a second URL from a second web server, the second HTML document comprising a link to one or more second instructions, the one or more second instructions resident on the second server; running, by the client, the one or more second instructions linked to by the second HTML document, the one or more second instructions operative to cause the client to generate a second indication of receipt of the second HTML document by the client; and transmitting the first indication and the second indication to a third server.