In terms of market share, Nextag ROI Optimizer is clearly lagging behind, losing to nPario in all segments.
Nextag ROI Optimizer has better usage coverage in more websites categories. Including Shopping, Business & Industry, Marketing & Advertising, Clothing and 15 other categories.
nPario is leading in News & Media, Arts & Entertainment and Music & Audio.
Nextag ROI Optimizer is leading in most countries, including United States, Germany, United Kingdom, Indonesia and 2 other countries.
nPario hasn't got a lead over Nextag ROI Optimizer in any country.