Publishers getting started guide
Tagging and technical considerations
As you prepare your site to serve DoubleClick Rich Media using DFP (build creatives in DoubleClick Studio and push them directly from Studio to your DFP network), follow these tagging and technical best practices:Implement the DoubleClick iframe solution on your site
If a site uses both site-side iframes and iframe tags (nested iframes), the ad can only break out of one of these sets of iframes. To avoid nested iframes, we recommend that DoubleClick Rich Media clients use Google Publisher Tags.