Market Share by Top Websites

1 Open AdExchange is leading in Top 100K Sites.

2 In terms of market share, Kelkoo is clearly lagging behind, losing to Open AdExchange 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 27 other categories.

2 Kelkoo hasn't got a lead over Open AdExchange in any websites category.


1 Open AdExchange is leading in most countries, including Denmark, Netherlands, Guatemala, Norway and 2 other countries.

2 Kelkoo is leading in Austria and Finland.