Market Share by Top Websites

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

Websites Categories

1 Webclicktracker has better usage coverage in more websites categories. Including Business & Industry, Industrial Goods & Services, Construction & Maintenance, Internet & Telecom and 17 other categories.

2 Nextag ROI Optimizer is leading in Shopping, Marketing & Advertising, Health, Sports and 7 other categories.


1 Webclicktracker is leading in most countries, including United States, China, Canada, Spain and 4 other countries.

2 Nextag ROI Optimizer is leading in France, Germany, Japan and Viet Nam.