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 105 other categories.
Mercent is leading in Games, Career & Education, Video Games, Products & Shopping and 27 other categories.
Mercent is leading in most countries, including United States, United Kingdom, Canada, Russia and 33 other countries.
Shopzilla is leading in India, Japan, Italy, China and 16 other countries.