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 53 other categories.
OpenX OpenAds is leading in Games, Online, Video Games, Football and one other category.
MariMedia is leading in most countries, including United States, India, Germany, United Kingdom and 48 other countries.
OpenX OpenAds hasn't got a lead over MariMedia in any country.