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 82 other categories.
Mercent is leading in Shopping, Clothing, Home & Garden, Games and 28 other categories.
Mercent is leading in most countries, including United States, Canada, United Kingdom, Spain and 69 other countries.
MSN Ads is leading in India, Brazil, France, Germany and 11 other countries.