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 20 other categories.
nPario is leading in News & Media, Music & Audio and Arts & Entertainment.
Nextag ROI Optimizer is leading in most countries, including United States, Germany, France, India and 6 other countries.
nPario hasn't got a lead over Nextag ROI Optimizer in any country.