Mercent is leading in Top 100K Sites and Top 1M Sites.
Quigo AdSonar has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Business & Industry and 84 other categories.
Mercent is leading in Shopping, Clothing, Games, Home & Garden and 38 other categories.
Quigo AdSonar is leading in most countries, including Brazil, Russia, India, Germany and 35 other countries.
Mercent is leading in United States, Canada, Viet Nam, Pakistan and 30 other countries.