A distribution device includes a distribution unit which distributes a control program for controlling content to be displayed on a user terminal, to the user terminal. The control program is a display program to be executed in the user terminal, and controls the user terminal to execute a sound playback procedure for playing back a sound when content is included in an area specified by the display program for displaying the content, a viewable area acquisition procedure for acquiring the area specified by the display program in the content as a viewable area, a display area determination procedure for determining whether a display area where a video is displayed corresponding to the content is positioned in the viewable area, and a video playback procedure for stopping playback of the sound and starting playback of the video, when determined that the display area is positioned in the viewable area.