What is an Ad Server?

An Ad Server is a web based tool used by publishers, networks and advertisers to help with ad management, campaign management and ad trafficking. An ad server also provides reporting on ads served on the website. Finally, an ad server serves the creative side: this means that the ad server or ad serving company also delivers the ad to each user’s browser. Some prominent ad servers include Google’s DoubleClick for Publishers, Facebook’s Atlas, and Sizmek.