ContentClick is leading in Top 100K Sites and Top 1M Sites.
ContentClick has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Sports, News & Media and 81 other categories.
Testnet is leading in Pets and Automotive Industry.
ContentClick is leading in most countries, including Great Britain, United States, India, Russia and 44 other countries.
Testnet is leading in Belgium and Netherlands.