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, Home & Garden, Games and 43 other categories.
OMG is leading in most countries, including India, United Kingdom, France, Brazil and 34 other countries.
Mercent is leading in United States, Canada, Russia, Philippines and 19 other countries.