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 85 other categories.
Six Apart Advertising is leading in Arts & Entertainment, People & Society, News & Media, Humor and 27 other categories.
Microsoft adCenter Conversion is leading in most countries, including United States, United Kingdom, Canada, France and 28 other countries.
Six Apart Advertising is leading in United Arab Emirates, Viet Nam, Pakistan, Barbados and 2 other countries.