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, Career & Education, Law and 14 other categories.
Marktest is leading in Music & Audio, People & Society, Newspapers, News & Media and one other category.
Trovus Revelations is leading in most countries, including United Kingdom, United States, Taiwan, Germany and 10 other countries.
Marktest is leading in Brazil, Portugal and Morocco.