In accordance with a method and system for centralized network usage tracking, documents on a network server include a reference to content on a centralized logging server. When one of the documents is accessed by a client computer, the process of rendering the content at the client computer includes requesting the content from the logging server. The logging server, upon receipt of such a request, logs information embedded in the request and returns a trivial response which requires little time and which rendering of need not be perceivable by the user.