Mercent is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, People & Society, Arts & Entertainment, Business & Industry and 102 other categories.
Mercent is leading in Career & Education, Games, Coupons, Video Games and 27 other categories.
Mercent is leading in most countries, including United States, Canada, France, India and 40 other countries.
Shopzilla is leading in Russia, Brazil, China, Viet Nam and 17 other countries.