MetriWeb is leading in 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 51 other categories.
MetriWeb is leading in Arts & Entertainment, Career & Education, Jobs & Employment, Food & Drink and 13 other categories.
WordStream is leading in most countries, including United States, South Africa, Canada, United Kingdom and 8 other countries.
MetriWeb is leading in Belgium, France, Luxembourg, Indonesia and 4 other countries.