INFORMATION PROVIDING DEVICE, INFORMATION PROVIDING METHOD, INFORMATION PROVIDING PROGRAM, INFORMATION DISPLAY PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM FOR STORING INFORMATION PROVIDING PROGRAM

摘要

A web server (40) is provided with: a keyword acquisition unit (43) that acquires first product information related to a first product shown on a web page, which is displayed by a web browser of a user terminal (10); a related product acquisition unit (44) that references a product database (21), which stores product information, on the basis of the first product information, and acquires second product information representing a second product (related product), which is related to the first product; and a related product transmission unit (45) that transmits the second product information to the user terminal (10) in order to display the second product information in a separate window, which is displayed over the web page.