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 Arts & Entertainment, People & Society, Movies, TV & Video and 93 other categories.

2 Open AdExchange is leading in Newspapers, Office Products, Auctions, Astronomy and 2 other categories.


1 is leading in most countries, including Mexico, United States, Spain, India and 54 other countries.

2 Open AdExchange is leading in Denmark and Norway.