MetriWeb is leading in Top 100K Sites.
MetriWeb has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Career & Education and 25 other categories.
Nextag ROI Optimizer is leading in Shopping, Business & Industry, Marketing & Advertising, Sports and 16 other categories.
MetriWeb is leading in most countries, including Belgium, Luxembourg, Russia, Netherlands and 11 other countries.
Nextag ROI Optimizer is leading in United States, France, Germany, United Kingdom and 10 other countries.