Proclivity is leading in Top 10K Sites, 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 47 other categories.
Proclivity is leading in Health, Sports, Football, Medicine and 17 other categories.
Proclivity is leading in most countries, including United States, United Kingdom, Germany, Italy and 7 other countries.
WordStream is leading in Mexico, Australia, Netherlands, Switzerland and 5 other countries.