1. One or more computer storage media having computer-executable instructions embodied thereon for performing a method for classifying adult content, the method comprising: receiving content having a Uniform Resource Locator (URL), webpage text, and at least one image associated therewith; analyzing one or more of the URL, the webpage text, and the at least one image to determine a likelihood that the received content is adult content, wherein the webpage text is analyzed only if the URL is not indicative of adult content, and wherein the at least one image is analyzed only if the webpage text is not indicative of adult content; and classifying the received content as adult or not adult based upon the determined likelihood.