Ad Served to Winning Bidder: The highest bid wins the ad impression, and the SSP prompts the publisher’s site to serve the advertiser’s ad to the user’s browser or app. User Visits a Site: When a user visits the publisher’s site, the SSP generates a bid request that includes information https://userbookmark.com/story17511028/online-werbung-grundlagen-erkl%C3%A4rt