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, Industrial Goods & Services and 16 other categories.
nPario is leading in Music & Audio and News & Media.
Nextag ROI Optimizer is leading in most countries, including United States, France, Germany, Japan and one other country.
nPario hasn't got a lead over Nextag ROI Optimizer in any country.