CoreAudience is leading in Top 100K Sites and Top 1M Sites.
CoreAudience has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Internet & Telecom and 25 other categories.
CQ Counter is leading in Adult, Career & Education, Jobs & Employment, Health and one other category.
CoreAudience is leading in most countries, including United States, Russia, Brazil, Turkey and 9 other countries.
CQ Counter is leading in Bulgaria, Australia and Israel.