SERVICE PROVIDING METHOD, SERVICE PROVIDER APPARATUS, INFORMATION PROCESSING METHOD AND APPARATUS AND COMPUTER-READABLE STORAGE MEDIUM

A service provider apparatus is provided with a first application for executing a process related to a Web page or Web contents, and a service providing part for providing services. The first application sends a request to a second application included in another apparatus. The service providing part receives a service providing request related to the request from the second application, and provides a service depending on the service providing request, so as to expand functions of the services provided by the service provider apparatus.