StackAdapt is leading in Top 100K Sites and Top 1M Sites.
StackAdapt has better usage coverage in more websites categories. Including Health, Arts & Entertainment, Business & Industry, Shopping and 19 other categories.
Testnet is leading in Sports, Pets, Pets & Animals, Real Estate and 4 other categories.
StackAdapt is leading in most countries, including United States, Canada, France, Egypt and 7 other countries.
Testnet is leading in Belgium.