Microsoft adCenter Conversion is leading in Top 100K Sites and Top 1M Sites.
Microsoft adCenter Conversion has better usage coverage in more websites categories. Including Business & Industry, Shopping, Health, Computer & Electronics and 96 other categories.
Simple AdServer is leading in Motorsports.
Microsoft adCenter Conversion is leading in most countries, including United States, United Kingdom, Canada, France and 40 other countries.
Simple AdServer is leading in Hungary.