MerchantAdvantage is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
MerchantAdvantage has better usage coverage in more websites categories. Including Shopping, Business & Industry, Home & Garden, Health and 33 other categories.
MetriWeb is leading in Arts & Entertainment, People & Society, Career & Education, Jobs & Employment and 14 other categories.
MerchantAdvantage is leading in most countries, including United States, Canada, United Kingdom, Russia and 10 other countries.
MetriWeb is leading in Belgium, Luxembourg, Netherlands, France and one other country.