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, Business & Industry, Arts & Entertainment and 79 other categories.
Mercent is leading in Clothing, Health, Games, Home & Garden and 47 other categories.
OMG is leading in most countries, including India, United Kingdom, Poland, Russia and 30 other countries.
Mercent is leading in United States, Canada, Mexico, Japan and 26 other countries.