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 55 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 37 other countries.
ContentClick is leading in United Kingdom, United States, Russia, Canada and 15 other countries.