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 98 other categories.

2 Open AdExchange is leading in File Sharing, Performing Arts, Office Products, Auctions and one other category.


1 is leading in most countries, including Sweden, Malta, Norway, Russia and 25 other countries.

2 Open AdExchange is leading in Denmark.