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 32 other categories.
MetriWeb is leading in Arts & Entertainment, People & Society, Career & Education, Jobs & Employment and 13 other categories.
MerchantAdvantage is leading in most countries, including United States, Canada, United Kingdom, Germany and 9 other countries.
MetriWeb is leading in Belgium, France, Luxembourg and Netherlands.