AdTotal is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Arts & Entertainment, Sports, Internet & Telecom, Soccer and 17 other categories.
WebTrends Ads is leading in Business & Industry, Computer & Electronics, People & Society, Shopping and 16 other categories.
WebTrends Ads is leading in most countries, including United States, Canada, Costa Rica, Argentina and 15 other countries.
AdTotal is leading in Poland, Switzerland, Viet Nam, Russia and 4 other countries.