It is determined whether the URL of a screen displayed by a web browser matches the URL included in a response to an obtainment request. If the URL of the screen displayed by the web browser is determined to match the URL included in the response to the obtainment request, a user currently using an information processing apparatus is a user permitted to use an autocomplete function, and the screen displayed in the web browser can be trusted, a script is loaded in the web browser and executed. The web browser carries out the autocomplete through this script.