MetriWeb is leading in Top 10K Sites and Top 100K Sites.
MetriWeb has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Career & Education, News & Media and 19 other categories.
Nextag ROI Optimizer is leading in Shopping, Business & Industry, Marketing & Advertising, Home & Garden and 13 other categories.
MetriWeb is leading in most countries, including Belgium, France, Luxembourg, United Arab Emirates and 4 other countries.
Nextag ROI Optimizer is leading in United States, Germany, Viet Nam and Japan.