AdTotal is leading in Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Sports, Arts & Entertainment, Soccer, Internet & Telecom and 16 other categories.
WebTrends Ads is leading in Business & Industry, People & Society, Shopping, Religion & Spirituality and 15 other categories.
WebTrends Ads is leading in most countries, including United States, Indonesia, Canada, United Kingdom and 25 other countries.
AdTotal is leading in Poland and Germany.