Ad Spirit is leading in Top 100K Sites and Top 1M Sites.
Ad Spirit has better usage coverage in more websites categories. Including Business & Industry, Sports, Arts & Entertainment, Soccer and 81 other categories.
MSN Ads is leading in People & Society, News & Media, Computer & Electronics, Music & Audio and 51 other categories.
MSN Ads is leading in most countries, including United States, India, United Kingdom, Canada and 29 other countries.
Ad Spirit is leading in Germany, Austria, Switzerland, Spain and 21 other countries.