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 98 other categories.
Mercent is leading in Coupons, Career & Education, Games, Universities & Colleges and 27 other categories.
Shopzilla is leading in most countries, including India, Australia, Israel, France and 33 other countries.
Mercent is leading in United States, Canada, United Kingdom, Portugal and 31 other countries.