A screen provision apparatus receives, from a client device, account identification information corresponding to the client device, renders a screen corresponding to that identification information, and transmits to the client device. Also, the screen provision apparatus, in a case where it determines that management information that is managed in association with the identification information satisfies a predetermined condition, obtains rendering grade information that defines the content of screen rendering processing. Then, the screen provision apparatus modifies the content of the screen rendering processing in accordance with the rendering grade information.