MetriWeb is leading in Top 100K Sites and Top 1M Sites.
MetriWeb has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Career & Education, News & Media and 26 other categories.
Nextag ROI Optimizer is leading in Shopping, Business & Industry, Marketing & Advertising, Clothing and 14 other categories.
Nextag ROI Optimizer is leading in most countries, including United States, Germany, India, Australia and 5 other countries.
MetriWeb is leading in Belgium, Luxembourg, Netherlands, France and 4 other countries.