PPL AdServers Technologies
The AdServer is a specifically designed web server that stores advertisements used in online marketing and delivers them to website visitors.
Among its special features are providing options for banner capping, user and site based targeting, time or impression/click limited campaigns, and prioritization of campaigns.
Being a unique You can review the statistical performance of a specific banner, campaign, advertiser, publisher or zone and re-prioritize your banners as needed.
All this helps in determining the ROI for an advertiser on a particular website.