Marktest is leading in Top 10K Sites and Top 100K Sites.
Marktest has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Music & Audio, News & Media and 6 other categories.
Revee is leading in Online Marketing, Computer & Electronics and Computer Security.
Revee is leading in most countries, including Spain and United States.
Revee is leading in Spain and United States.