A translation method reduces the time required for display of the translation of a web page. Original document data is obtained to display an original document on a computer. The original document data is examined for the presence of saved data. When the saved data is present, instruction data is generated for instructing the acquisition of the saved data, and the instruction data is transmitted to a client across a network. Translation data is obtained for the original document. The obtained translation data is transmitted to the client across the network. Before examining for the presence of the saved data, an acquisition is instructed for the translation data of the original document.