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 100 other categories.
Mercent is leading in Career & Education, Coupons, Games, Universities & Colleges and 27 other categories.
Shopzilla is leading in most countries, including India, Australia, Israel, France and 40 other countries.
Mercent is leading in United States, Canada, Great Britain, Portugal and 28 other countries.