I. Introduction
In these days Internet becomes the powerful and vast source of information. Internet act as a container, contain huge amount of information. It is difficult for the web master of an company is to extract information from this containers and to match with the needs of user and provide effective or correct result. At the point when searching and skimming a web site, users are frequently overwhelmed by tremendous amount of information and are faced with the huge challenge of discovering the wanted information in the correct time [1].