Knowledge Networks is leading in Top 10K Sites and Top 100K Sites.
WordStream has better usage coverage in more websites categories. Including Business & Industry, People & Society, Relationships & Dating, Autos & Vehicles and 56 other categories.
Knowledge Networks is leading in News & Media, Food & Drink, Beverages, Law & Government and 5 other categories.
WordStream is leading in most countries, including United States, United Kingdom, Mexico, India and 11 other countries.
Knowledge Networks is leading in Canada, France and Germany.