AdTotal is leading in Top 100K Sites and Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Sports, Arts & Entertainment, Internet & Telecom, Soccer and 18 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, United Kingdom, Australia, India and 19 other countries.
AdTotal is leading in Poland, France, Iran, Italy and 4 other countries.