To open advertisements in a pop-up window, and to acquire the operation history of the pop-up window, and to use it for the calculation of an advertisement fee.
When access is performed from a browser terminal, a Web page with advertisements including a browsing operation monitoring program for executing the display of a pop-up window, interaction with a browser, the acquisition and control of an event on the pop-up window and the acquisition of a browsing log is transmitted to a browser terminal, and when the browsing log is received from a browsing operation monitoring program transferred from the browser terminal, information including a browsing time written in the browsing log is set in a column shown by advertisement ID written in the browsing log of the advertisement management table and the advertisement management table is updated (S4).
SASAKI TSUTOMU
OKUBO MASAKATSU
MATSUO YOSHIHIRO
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