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 83 other categories.
Testnet is leading in Automotive Industry and Pets.
ContentClick is leading in most countries, including United Kingdom, United States, Russia, France and 34 other countries.
Testnet is leading in Belgium.