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, Health and 22 other categories.
nPario is leading in Music & Audio, Arts & Entertainment and News & Media.
Nextag ROI Optimizer is leading in most countries, including United States, Germany, France, Saint Lucia and 4 other countries.
nPario hasn't got a lead over Nextag ROI Optimizer in any country.