Fully asynchronous version of the AdSense ad code.
https://support.google.com/adsense/answer/3221666?hl=en
Advertising
Get access to data on 5,997,478 websites Google Adsense Asynchronous Customers. We know of 2,160,189 live websites using Google Adsense Asynchronous and an additional 3,837,289 sites that used Google Adsense Asynchronous historically and 1,119,576 websites in the United States.
Get a list of 5,997,478 websites using Google Adsense Asynchronous which includes location information, hosting data, contact details, 2,160,189 currently live websites and an additional 847,751 domains that redirect to sites in this list. 3,837,289 sites that used this technology previouslyand 1,119,576 websites in the United States currently using Google Adsense Asynchronous.
Countries
Financial
Group
Region