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 34 other categories.
OpenX OpenAds is leading in News & Media, Sports, Technology News, Games and 10 other categories.
IndieClick is leading in most countries, including United States, Russia, United Kingdom, Indonesia and 18 other countries.
OpenX OpenAds is leading in Bangladesh and Ukraine.