Internet is the only source of huge amount of information accessed by large number of people every day. Now a day’s web is comprised of trillions of pages and everyday tremendous amount of requests are made to put more web pages on the World Wide Web (WWW). The ability to create information has far exceeded to the ability to manage information. Web page categorization can be defined as an approach to categorize the web pages based on a set of predefined categories to manage huge web content. Yahoo! [1] and ODP (Open Directory Project) [2] are the examples of web directories in which web pages are categorized manually, which is a very time consuming task. This paper will give a brief review about the types of web categorization, techniques used for web page categorization and the performance measures for categorizers.