An image sharing server and a printer for carrying out a printing service in association with the image sharing server are prepared and planners are invited to develop planned pages on the image sharing server. Contribution of images from general users is accepted through registered planned pages, and a service for offering contributed images for pay (ordered printing, downloading, etc.) is developed. A manager of the image sharing server performs centralized management including carrying out services and collecting charges for the services. Instances of use of each service is totalized with respect to each planned page and with respect to each contributor, and portions of a profit made by offering the service are respectively returned to the corresponding planner and contributor. Each planner and each contributor are periodically notified of the totalization results. Thus, a system is provided in which each service planner can easily develop its original planned page without holding a individual data base server and a Web server of its own, and portions of a profit made by offering planned pages are respectively returned to the planner and contributors. Also, the manager of operations for the services in this system prepares a portal site server, a gallery provision server, a photograph storage server and a printing service provider on the Internet and invites contents providers to utilize the system. The printing service provider collects orders accepted through planned pages from users, performs printing according to the orders, and delivers finished prints to the users. In this system, a portal site service, a gallery provision service, a photograph storage service and page making GUI components provision service are offered to assist opening of a gallery page. Thus, finely divided functions and services for exhibiting contents such as photographs on the network are provided, thereby enabling each contents holder to easily develop a galley site.