Marktest is leading in Top 10K Sites and Top 100K Sites.
Trovus Revelations has better usage coverage in more websites categories. Including Business & Industry, Law & Government, Finance, Law and 33 other categories.
Marktest is leading in Music & Audio, TV & Video, Soccer and Newspapers.
Trovus Revelations is leading in most countries, including United Kingdom, United States, Germany, Poland and 26 other countries.
Marktest is leading in Portugal, Brazil and Israel.