| 摘要 |
<p>Introduced is a method for presenting online advertisements based on a visibility of an advertisement (ad) spot in online content. The method includes determining ad spots that are visible or at least a substantial portion of the ad spots that are visible for a predefined duration, and serving advertisements in those ad spots. The method includes auctioning only the selected ad spots to the advertisers. Another method for measuring effectiveness of an ad creative is disclosed. The effectiveness of an ad creative is measured using a metric, such as an engagement rate of the ad creative. The engagement rate is determined as a ratio of a number of users that responded to the ad creative to a total number of users to whom the ad creative was served, wherein number of users who responded to the ad creative is a function of response score of the ad creative.</p> |
