Microsoft adCenter Conversion is leading in Top 1M Sites.
Microsoft adCenter Conversion has better usage coverage in more websites categories. Including Business & Industry, Shopping, Health, Computer & Electronics and 106 other categories.
Simple AdServer is leading in Motorsports.
Microsoft adCenter Conversion is leading in most countries, including United States, United Kingdom, France, Canada and 27 other countries.
Simple AdServer is leading in Hungary and Chile.