Mercent is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
MSN Ads has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Business & Industry and 75 other categories.
Mercent is leading in Shopping, Clothing, Health, Games and 40 other categories.
Mercent is leading in most countries, including United States, Canada, United Kingdom, Russia and 37 other countries.
MSN Ads is leading in India, France, Brazil, Venezuela and 25 other countries.