Ad Spirit is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Ad Spirit has better usage coverage in more websites categories. Including Business & Industry, Sports, Soccer, Shopping and 80 other categories.
MSN Ads is leading in People & Society, News & Media, Computer & Electronics, Music & Audio and 52 other categories.
MSN Ads is leading in most countries, including United States, Canada, India, Argentina and 30 other countries.
Ad Spirit is leading in Germany, Austria, Switzerland, Spain and 15 other countries.