StackAdapt is leading in Top 100K Sites and Top 1M Sites.
StackAdapt has better usage coverage in more websites categories. Including Health, Arts & Entertainment, Clothing, Autos & Vehicles and 14 other categories.
WebTrends Ads is leading in Business & Industry, People & Society, Computer & Electronics, Law & Government and 13 other categories.
WebTrends Ads is leading in most countries, including United States, Indonesia, China, Belarus and 20 other countries.
StackAdapt is leading in Canada, United Arab Emirates, Brazil, Viet Nam and 3 other countries.