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, Jobs & Employment and 18 other categories.
Nextag ROI Optimizer is leading in Shopping, Business & Industry, Marketing & Advertising, Home & Garden and 12 other categories.
Nextag ROI Optimizer is leading in most countries, including United States, Germany, Gambia, Japan and one other country.
MetriWeb is leading in Belgium, Luxembourg, Netherlands and Slovakia.