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 includes a keyword acquisition unit (43) that acquires first item information related to a first item shown on a web page displayed on a web browser of a user terminal (10), a related item acquisition unit (44) that acquires second item information indicating a second item (related item) related to the first item by referring to an item database (21) storing item information based on the first item information, and a related item transmitting unit (45) that transmits the second item information to the user terminal (10) so that the second item information is shown in a separate window displayed superimposed on the web page.