AdTotal is leading in Top 10K Sites and Top 100K Sites.
AdTotal has better usage coverage in more websites categories. Including Sports, Arts & Entertainment, Autos & Vehicles, Career & Education and 13 other categories.
WebTrends Ads is leading in Business & Industry, Computer & Electronics, Health, Motorcycles and 7 other categories.
WebTrends Ads is leading in most countries, including United States, Japan, Indonesia, India and 10 other countries.
AdTotal is leading in Poland, Tuvalu, South Korea and Romania.