ClearSaleing is leading in Top 100K Sites and Top 1M Sites.
ClearSaleing has better usage coverage in more websites categories. Including Travel, Accommodation & Hotels, Shopping, Business & Industry and 30 other categories.
Marktest is leading in Newspapers, TV & Video and Arts & Entertainment.
ClearSaleing is leading in most countries, including United States, France, United Kingdom, Spain and 22 other countries.
Marktest is leading in Brazil.