Market Share by Top Websites

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

Websites Categories

1 Experian Marketing Services has better usage coverage in more websites categories. Including Autos & Vehicles, Arts & Entertainment, Car Buying, Business & Industry and 27 other categories.

2 Nextag ROI Optimizer is leading in Shopping, Marketing & Advertising, Home & Garden, Industrial Goods & Services and 6 other categories.


1 Experian Marketing Services is leading in most countries, including United States, Brazil, Australia, Italy and 14 other countries.

2 Nextag ROI Optimizer is leading in Germany, France, Czech Republic and Singapore.