Provided is a client device communicating with a server device, the client device including: a display section for displaying a page including at least one display object on a screen; a transmitting section for transmitting a processing request to the server device in response to an event where the display object receives an operation by a user; an obtaining section for obtaining, before the operation by the user, an estimate of time required for processing that will be executed by the server device in response to the processing request; and an output section for outputting the obtained estimate of the required time in association with the display object.