MerchantAdvantage is leading in Top 100K Sites and Top 1M Sites.
MerchantAdvantage has better usage coverage in more websites categories. Including Shopping, Business & Industry, Home & Garden, Health and 29 other categories.
MetriWeb is leading in People & Society, Arts & Entertainment, Food & Drink, Career & Education and 17 other categories.
MerchantAdvantage is leading in most countries, including United States, Canada, United Kingdom, Colombia and 8 other countries.
MetriWeb is leading in Belgium, Luxembourg, France, Netherlands and 4 other countries.