Mercent is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
OMG has better usage coverage in more websites categories. Including Shopping, Coupons, Arts & Entertainment, Business & Industry and 73 other categories.
Mercent is leading in Clothing, Home & Garden, Games, Video Games and 32 other categories.
Mercent is leading in most countries, including United States, Canada, Australia, Israel and 57 other countries.
OMG is leading in India, United Kingdom, Poland, Germany and 25 other countries.