MetriWeb is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
MetriWeb has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Career & Education, Business & Industry and 23 other categories.
Vertical Leap hasn't got a lead over MetriWeb in any websites category.
MetriWeb is leading in most countries, including Belgium, France, Luxembourg, United States and 5 other countries.
Vertical Leap is leading in United Kingdom.