Proclivity 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 48 other categories.
Proclivity is leading in Sports, Health, Football, Medicine and 24 other categories.
WordStream is leading in most countries, including Canada, Malaysia, Spain, Viet Nam and 9 other countries.
Proclivity is leading in United States, United Kingdom, India, Germany and 3 other countries.