The most essential elements determining whether or not prospects return to an web site are ease of use and the presence of user-friendly features. Usability testing is important for finding problems and enhancements in a website online. Methods for evaluating usability embrace heuristic evaluation, cognitive walkthrough, and person testing.

The novelty dimension might maintain shoppers exploring a purchasing web site, whereas the complexity dimension might induce impulse purchases. English entrepreneur Michael Aldrich was a pioneer of online buying in 1979. His system linked a modified home TV to a real-time transaction processing computer through a home telephone line. During the Eighties he designed, manufactured, sold, put in, maintained and supported many online purchasing methods Online Shop, using videotex know-how. These techniques which also provided voice response and handprint processing pre-date the Internet and the World Wide Web, the IBM PC, and Microsoft MS-DOS, and were installed mainly within the …