freeXmedia is leading in Top 1M Sites.
freeXmedia has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Sports, Shopping and 41 other categories.
Open AdExchange is leading in Music & Audio, Real Estate, News & Media, Career & Education and 13 other categories.
freeXmedia is leading in most countries, including Germany, United Kingdom, India, Japan and 2 other countries.
Open AdExchange is leading in Denmark, Guatemala, Cote d Ivoire, Norway and one other country.