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, Clothing, Marketing & Advertising and 18 other categories.

2 Unister is leading in Travel, Tourism, Investing, Finance and one other category.


1 Nextag ROI Optimizer is leading in most countries, including United States, United Kingdom, France, Saudi Arabia and 4 other countries.

2 Unister is leading in Germany, Switzerland, Austria, Ukraine and 3 other countries.