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 55 other categories.
Knowledge Networks is leading in News & Media, Arts & Entertainment, Food & Drink, Beverages and 7 other categories.
WordStream is leading in most countries, including United States, United Kingdom, Australia, Mexico and 10 other countries.
Knowledge Networks is leading in Brazil and Congo Republic.