A data provision device includes a determination unit that determines at least some of selectable items contained in a web page to be provided to a user terminal as a prefetch item based on an event that can occur in the user terminal to which the web page is provided, a generation unit that generates a data set composed of a group of data to be transmitted to the user terminal according to selection of the prefetch item determined by the determination unit, and a transmitting unit that, when selection of an item is received from the user terminal, transmits a data set corresponding to the item and generated by the generation unit to the user terminal.