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 107 other categories.
Mercent is leading in Games, Video Games, Products & Shopping, Fishing and 24 other categories.
Mercent is leading in most countries, including United States, United Kingdom, India, Canada and 34 other countries.
Shopzilla is leading in Russia, Brazil, Philippines, Australia and 17 other countries.