The World Wide Web provides a new paradigm in computer networking for human communication which had an impact on the delivery of information and continues to stand in rapid developments.
Important trends used to develop new Web Technology and services such as Ubiquity, Dynamic content, Reliance on open standards and open source. The word Web Technology represents a discontinuity in the way applications are connected. Using the Web Technology as the basis for an application brings substantial advantages to the adopter.
This paper focuses on 2 tier architecture and mainly on the 3 tier architecture which is the present web technology. This paper will also review the client-side scripting and the server-side scripting.