Market Share by Top Websites

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, Arts & Entertainment, People & Society, Shopping and 29 other categories.

2 Kelkoo is leading in Religion & Spirituality.


1 Open AdExchange is leading in most countries, including Denmark, Sweden, Ukraine, Romania and one other country.

2 Kelkoo is leading in United States, Norway and France.