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 77 other categories.
Mercent is leading in Shopping, Clothing, Health, Games and 44 other categories.
Mercent is leading in most countries, including United States, Canada, Russia, United Kingdom and 33 other countries.
MSN Ads is leading in India, France, Indonesia, Taiwan and 26 other countries.