StackAdapt is leading in Top 100K Sites.
StackAdapt has better usage coverage in more websites categories. Including Health, Arts & Entertainment, Business & Industry, Shopping and 16 other categories.
Testnet is leading in People & Society, Sports, Pets & Animals, Pets and 4 other categories.
StackAdapt is leading in most countries, including United States, France, Canada, Isle of Man and 6 other countries.
Testnet is leading in Belgium and Netherlands.