ContentClick is leading in Top 100K Sites and Top 1M Sites.
ContentClick has better usage coverage in more websites categories. Including Sports, News & Media, Soccer, Shopping and 58 other categories.
Harren Media is leading in Arts & Entertainment, People & Society, TV & Video, Movies and 28 other categories.
Harren Media is leading in most countries, including Brazil, Portugal, Spain, India and 39 other countries.
ContentClick is leading in Great Britain, United States, Russia, Ireland and 15 other countries.