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, Video Games, Fishing, Animal Products & Service and 10 other categories.
Mercent is leading in most countries, including United States, Ukraine, Slovakia, Taiwan and 27 other countries.
Shopzilla is leading in Canada, Russia, India, France and 24 other countries.