1. A computer implemented method of evaluating performance of an information resource in a computer networked environment, comprising: obtaining, by a data processing system, from a content publisher computing device via a computer network, a request for a performance metric of the information resource; determining, by the data processing system, a number of visits to the information resource by an audience segment; determining an aggregate number of visits to the information resource, the aggregate number greater than the number of visits to the information resource by the audience segment; identifying a first metric, the first metric indicating a first ratio of the number of visits to the information resource by the audience segment to the aggregate number of visits to the information resource; obtaining, by the data processing system, a global audience segment number; obtaining, by the data processing system, a global aggregate audience number, the global aggregate audience number greater than the global audience segment number; identifying a second metric, the second metric indicating a second ratio of the global audience segment number to the global aggregate audience number; and generating the performance metric based on the first ratio and the second ratio.