Nextag ROI Optimizer is leading in Top 1M Sites.
XA.net has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Food & Drink, Cooking & Recipes and 47 other categories.
Nextag ROI Optimizer is leading in Shopping, Clothing, Marketing & Advertising, Home & Garden and 10 other categories.
XA.net is leading in most countries, including United States, Canada, India, Australia and 13 other countries.
Nextag ROI Optimizer is leading in Germany, Sweden, Austria, Japan and one other country.