| 摘要 |
[Problems to be Solved] A function is provided of reducing traffic without performing retransmission of data already held in a mobile terminal at the moment of utilizing a Web browser-based service. [Means to Solve the Problems] A server preserves a template having an extension tag constituting a Web page transmitted to the mobile terminal and a data history together with an ID in a cache, at the time of transmitting information to the mobile terminal, makes a reference to the information in the cache, and in a case where the information has been already transmitted, transmits only the ID indicating its information. The mobile terminal takes out the template and the data based upon the ID with which the information preserved in the cache has been received, and reconstitute the Web page by the extension tag attached to the template. This makes it possible to reduce traffic without performing retransmission of the information already transmitted to the mobile terminal and held by the mobile terminal at the moment of utilizing the Web browser.
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