Marktest is leading in Top 10K Sites and Top 100K Sites.
Navegg has better usage coverage in more websites categories. Including People & Society, Internet & Telecom, Arts & Entertainment, Business & Industry and 17 other categories.
Marktest is leading in Music & Audio and Soccer.
Navegg is leading in most countries, including Brazil, Italy, United States, United Kingdom and 2 other countries.
Marktest hasn't got a lead over Navegg in any country.