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 19 other categories.
WebTrends Ads is leading in Business & Industry, Computer & Electronics, People & Society, Shopping and 15 other categories.
WebTrends Ads is leading in most countries, including United States, Indonesia, China, Canada and 15 other countries.
AdTotal is leading in Poland, Turkey, Zimbabwe and Italy.