Competitive intelligence is an effective tool for outmaneuvering, out-pricing and outsmarting the competition. It is important that you know what your competitors will do next in order to make smarter decisions. Many solutions are presesented for competitor analyzing in old market point of view which come from strategic based till media scanning methods. This paper presents a new perception model for competitiveness in web environment and focuses on modeling and measuring the manner of competitors with software agent facilities. The purpose of this paper is to propose a new solution for e-firms to find their appropriate marketplace based on a formal methodology.