AdTotal is leading in Top 100K Sites.
AdTotal has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Sports, Internet & Telecom and 19 other categories.
Mass2 is leading in Autos & Vehicles, Shopping, Car Buying, Finance and 14 other categories.
AdTotal is leading in most countries, including Poland, Ghana, Italy, Korea Republic and 4 other countries.
Mass2 is leading in United States and Russia.