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 38 other categories.
Unister is leading in Travel, Tourism, Airlines & Airports, Finance and one other category.
MerchantAdvantage is leading in most countries, including United States, United Kingdom, Canada, Argentina and 8 other countries.
Unister is leading in Germany, Austria and Switzerland.