Market Share by Top Websites

1 StackAdapt is leading in Top 100K Sites and Top 1M Sites.

2 In terms of market share, Open AdExchange is clearly lagging behind, losing to StackAdapt in all segments.

Websites Categories

1 Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, People & Society, Arts & Entertainment, Shopping and 24 other categories.

2 StackAdapt is leading in Health, Clothing, Food & Drink, Computer & Electronics and 14 other categories.


1 StackAdapt is leading in most countries, including United States, Canada, United Arab Emirates, Brazil and 7 other countries.

2 Open AdExchange is leading in Denmark, Netherlands, Guatemala, Italy and 3 other countries.