The present invention provides a vehicle-mounted apparatus whereby a user can easily select and use a Web site in accordance with a point associated with information provided by the Web site and a description of the information. According to the present invention, a precache control unit automatically downloads at least one Web page of a Web site associated with each point matching a predetermined condition to a page cache memory and displays site icons at respective points corresponding to the downloaded Web sites on a map image. In addition, the precache control unit displays the predetermined type of extracted information by analyzing the description of the Web page of each Web site in an information window that pops up from the corresponding site icon. When the user selects one of the site icons, a Web browser displays the Web page of the Web site corresponding to the selected site icon.