Knowledge Networks is leading in Top 10K Sites and Top 100K Sites.
Nextag ROI Optimizer has better usage coverage in more websites categories. Including Shopping, Business & Industry, Marketing & Advertising, Clothing and 18 other categories.
Knowledge Networks is leading in People & Society, News & Media, Arts & Entertainment, Food & Drink and 12 other categories.
Nextag ROI Optimizer is leading in most countries, including United States, Germany, France, India and 6 other countries.
Knowledge Networks is leading in Canada and Brazil.