Market Share by Top Websites

2 In terms of market share, Nextag ROI Optimizer is clearly lagging behind, losing to Unister in all segments.

Websites Categories

1 Nextag ROI Optimizer has better usage coverage in more websites categories. Including Shopping, Business & Industry, Marketing & Advertising, Home & Garden and 23 other categories.

2 Unister is leading in Travel, Tourism, Airlines & Airports and Software.


1 Nextag ROI Optimizer is leading in most countries, including United States, France, Japan, Australia and 5 other countries.

2 Unister is leading in Germany, Switzerland, Austria and China.