AdTotal is leading in Top 100K Sites and Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Business & Industry, Sports, Arts & Entertainment, Internet & Telecom and 28 other categories.
ClearSearch hasn't got a lead over AdTotal in any websites category.
AdTotal is leading in most countries, including Poland, China, France, Germany and 8 other countries.
ClearSearch is leading in Canada.