Abstract: In a Web system that provides a social networking service in which information such as a diary and personal information is published on the Internet, upon displaying a list of articles of a diary or the like, if the number of the articles is equal to or less than a predetermined display number, a Web server creates a list that includes a subject of each article, and if the number of articles is larger than the predetermined display number, the Web server creates a list that includes categories in which the articles are categorized, and Web server then displays any of the lists thus created in a list display area of a Web browser provided in a user terminal.