INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING PROGRAM, CLIENT DEVICE, LAYER INFORMATION SERVER, AND LAYER INFORMATION DATABASE

摘要

An information processing system 1 according to an embodiment is provided with a client device 10, a web server 20 that retains webpage information, and a layer information server 30 configured to be able to access a layer information database 321 that associates and stores webpage identification information and layer information, wherein the layer information includes webpage-related information RI1 to RI4 associated with webpage reference portions, and reference portion position information indicating the position of each reference portion in a webpage, and wherein the client device 10 comprises: a webpage information acquisition unit 151 which acquires webpage information from the web server 20; a layer information acquisition unit 152 which acquires, from the layer information server 30, layer information associated with a webpage; and a screen information output unit 153 which, on the basis of the acquired webpage information and layer information, outputs screen information about a screen that displays webpage-related information at a position determined based on the reference portion position information.