This paper describes the design, implementation, and experimental results for a multiple user 3D web browsing system, called SharedWeb system, which is based on the request-response method of WWW server. The key features of this system include WWW server's ability to remember all the browsers connected to this server in order to transmit the messages required to maintain consistent states among browsers, the Dead Reckoning technique of DIS used by browsers in order to reduce the number of messages sent out on the network and to satisfy the timing requirement demanded by the virtual environments, and Protocol Data Unit(PDU) used in DIS also adapted by the SharedWeb system in order not only to include more information about browsers but also to integrate with DIS in the near future.