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 48 other categories.
Proclivity is leading in Sports, Football, Health, Medicine and 17 other categories.
WordStream is leading in most countries, including United Kingdom, Switzerland, Mexico, Ukraine and 10 other countries.
Proclivity is leading in United States, China, Spain, Norway and 2 other countries.