Market Share by Top Websites

1 is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

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

Websites Categories

1 has better usage coverage in more websites categories. Including Business & Industry, People & Society, Arts & Entertainment, Internet & Telecom and 90 other categories.

2 Open AdExchange is leading in Law & Government, Sports, Office Products, Astronomy and 2 other categories.


1 is leading in most countries, including Sweden, Russia, Malta, United States and 21 other countries.

2 Open AdExchange is leading in Denmark, Italy and Guatemala.