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 32 other categories.
Nextag ROI Optimizer is leading in Marketing & Advertising, Religion & Spirituality, Recreation & Hobbies, Web Hosting and 8 other categories.
MerchantAdvantage is leading in most countries, including United States, Canada, United Kingdom, Italy and 6 other countries.
Nextag ROI Optimizer is leading in France, Germany, Hungary, Australia and 5 other countries.