Marktest is leading in Top 10K Sites and Top 100K Sites.
SiteBro has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Computer & Electronics, Software and 45 other categories.
Marktest is leading in Newspapers.
SiteBro is leading in most countries, including Indonesia, United States, India, Brazil and 41 other countries.
Marktest hasn't got a lead over SiteBro in any country.