| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to effectively deliver a retargeting advertisement.SOLUTION: A Web server 20 delivers an advertisement for allowing a user who has accessed a landing site in the past to access the landing site again. The Web server 20 comprises: behavior pattern acquiring means 214 that acquires a behavior pattern of the user in the landing site; and advertisement delivery means 213 that delivers an advertisement different depending on the behavior pattern with a link for allowing the user to access the landing site set therein. |
