1. A method of classifying web content, the method comprising: receiving content of at least one web page; identifying properties associated with the web page based at least partly on the content of the web page; storing said properties in a database of web page properties; comparing at least one definition to properties stored in the database of web page properties; identifying the web page with at least one definition based on comparing said definition with said stored properties; and identifying the web page with at least one category associated with the at least one definition, wherein said category is indicative of active content associated with the web page.