A display controller includes display control means by which a partial display of a Web page is performed when the Web page is displayed on display means, display range detecting means for detecting a display range of the Web page displayed on the display means by the display control means, a key input pattern database in which information indicating an operation intended by a user is stored per key input pattern of the operating means, a home position database per URL for registering a home position used as the first display range when a Web page is displayed, together with URL information of each Web page, key input pattern detecting means for detecting a key input pattern of the operating means when the Web page is displayed by the display control means and home position registering means for registering a display range of the Web page detected by the display range detecting means as a home position corresponding to the Web page, together with URL information of the Web page, in the home position database per URL.