Peerius 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 46 other categories.
Peerius is leading in Shopping, Clothing, Home & Garden, Food & Drink and 16 other categories.
Peerius is leading in most countries, including United Kingdom, Germany, Austria, Netherlands and 15 other countries.
WordStream is leading in United States, Mexico, Ukraine, Malaysia and 9 other countries.