Method is used for shopping sites to sale shopping sites and server unit

摘要

PROBLEM TO BE SOLVED: To provide a shopping site capable of displaying an article screen which is different for each client and an article unit price which is different for each client while suppressing cost of transition to net mail-order for a shop or an enterprise and reducing time and efforts.SOLUTION: A server device 10 comprises a shop management section 11 in which a member group is defined from a seller terminal 20, an article screen for the member group is formed by setting browsing permission for each member group to each article screen, each member is allowed to belong to any member group and set as member group information, and ranking of the members and an operation for setting an article unit price for each rank of members are received from the seller terminal 20 and set as member rank/article unit price information. When a client can be authenticated as a member, a member group of the member is identified, a client terminal 30 is caused to selectively display an article screen for the member group, an article unit price for the member rank is displayed on the article screen, and an article purchasing operation is received by an article selling section 12.