Information delivery system, advertisement delivery system, information delivery program, server, information delivery server, advertisement information delivery method and saver page display method

摘要

In an information terminal of a user, displayed contents on a monitor screen are optionally changed and a saver page is displayed by use of a browser. An information delivery system is provided, which is constituted of a viewer PC, an information provider server, and an information delivery server for providing delivery information based on access from the viewer PC over a network. The information provider server transmits an HTML file to the viewer PC in response to being accessed by the viewer PC. When an entering operation is not executed for a predetermined period of time after the viewer PC displays the received HTML content on a display unit as display information, the viewer PC accesses the information delivery server via a network and automatically retrieves and displays delivery information on the display unit.