MetriWeb is leading in Top 100K Sites and Top 1M Sites.
MetriWeb has better usage coverage in more websites categories. Including People & Society, Business & Industry, Arts & Entertainment, Career & Education and 27 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, Russia and 5 other countries.
Vertical Leap is leading in United Kingdom.