CoreAudience is leading in Top 100K Sites and Top 1M Sites.
WordStream has better usage coverage in more websites categories. Including Business & Industry, People & Society, Relationships & Dating, Autos & Vehicles and 53 other categories.
CoreAudience is leading in Arts & Entertainment, Music & Audio, News & Media, Clothing and 11 other categories.
CoreAudience is leading in most countries, including United States, France, Germany, Russia and 9 other countries.
WordStream is leading in Canada, South Africa, India, Mexico and 7 other countries.