MariMedia is leading in Top 100K Sites and Top 1M Sites.
MariMedia has better usage coverage in more websites categories. Including Computer & Electronics, Arts & Entertainment, Software, News & Media and 65 other categories.
OpenX OpenAds is leading in Games, Video Games, Martial Arts, Football and 5 other categories.
MariMedia is leading in most countries, including United States, India, Italy, Mexico and 51 other countries.
OpenX OpenAds hasn't got a lead over MariMedia in any country.