IndieClick is leading in Top 100K Sites and Top 1M Sites.
IndieClick has better usage coverage in more websites categories. Including Arts & Entertainment, Music & Audio, People & Society, Shopping and 32 other categories.
OpenX OpenAds is leading in Sports, Religion & Spirituality, Technology News, Celebrities & Entertainment News and 9 other categories.
IndieClick is leading in most countries, including United States, Russia, Germany, Brazil and 17 other countries.
OpenX OpenAds is leading in Pakistan and Bangladesh.