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 61 other categories.
OpenX OpenAds is leading in Martial Arts, Football and Online.
MariMedia is leading in most countries, including United States, India, Brazil, United Kingdom and 49 other countries.
OpenX OpenAds hasn't got a lead over MariMedia in any country.