Ad Spirit is leading in Top 100K Sites and Top 1M Sites.
Ad Spirit has better usage coverage in more websites categories. Including Sports, Business & Industry, Arts & Entertainment, Soccer and 66 other categories.
Microsoft adCenter Conversion is leading in Computer & Electronics, Software, Internet & Telecom, Finance and 38 other categories.
Microsoft adCenter Conversion is leading in most countries, including United States, United Kingdom, Canada, France and 24 other countries.
Ad Spirit is leading in Germany, Austria, Switzerland, Spain and 18 other countries.