freeXmedia is leading in Top 100K Sites and Top 1M Sites.
freeXmedia has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Autos & Vehicles, Sports and 45 other categories.
Simple AdServer is leading in Sports.
freeXmedia is leading in most countries, including Germany, United States, Switzerland, Viet Nam and 5 other countries.
Simple AdServer is leading in Hungary.