Patent ID: 8533587

Claim:
A Web server comprising: an input portion that receives a parameter inputted by a first terminal device via a network, the inputted parameter corresponding to a user identification identifying a first user operating the first terminal device; an operation portion that determines dynamically-altered contents based on execution of an application in accordance with the inputted parameter and the user identification of the first user; a Web page generation portion that generates a Web page including the dynamically-altered contents and fixed part contents; a contents information process portion that stores the dynamically-altered contents, in association with a time of generation of the Web page, a screen ID identifying the generated Web page and the user identification of the first user to a storage portion of the Web server; a Web page transmission portion that transmits the generated Web page to the first terminal device; a designation reception portion that receives, from a second terminal device operated by a second user being different from the first user, at least one of a designation of the time, the screen ID and the user identification of the first user, which are used to search for the dynamically-altered contents stored in the storage portion of the Web server; a contents information extraction portion that extracts, from the storage portion of the Web server, the dynamically-altered contents corresponding to at least one of the received time, the received screen ID and the received user identification of the first user; a Web page regeneration portion that regenerates a screen of the generated Web page transmitted to the first terminal device, by incorporating therein the dynamically-altered contents which are extracted from the storage portion by the contents information extraction portion, and fixed part contents; and a regenerated Web page transmission portion that transmits the screen of the regenerated Web page to the second terminal device operated by the second user different from the first user.