To provide a home page system which can check a program in order to prevent that a voice correspondence home page already developed is used on the other site without any notice in the access to home page such as a voice correspondence.

In the home page system, a perusal operation by means of voice input from a client side is performed with respect to the home page established on the server in the Internet communication by the client and the server. Therein, a voice recognition engine using a rule grammar comprising acoustic model, etc., which works based on the result of inspecting check file transmitted from a server side to a client side is disposed. Such a means that, when the client demands a voice recognition correspondence home page, the server transmits the check file and the rule grammar corresponding to the voice recognition correspondence home page with page contents is disposed.