Count on Begin to Render FAQ
All Xandr tags use "count on begin to render" as the standard for the counting of display impressions. You can find details on this standard on the IAB and MRC websites. This FAQ provides some basic details related to the standard.
What is "count on begin to render"?
Xandr's proprietary tags apply the "count on begin to render" standard, meaning that a buyer’s ad must be delivered to the page or app and begin to render before a valid impression is counted.
Which tags use this standard?
All Xandr proprietary tags apply this standard, in keeping with industry best practices.