Market Share by Top Websites

1 Optimatic is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

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

Websites Categories

1 Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, People & Society, Shopping, Internet & Telecom and 24 other categories.

2 Optimatic is leading in Arts & Entertainment, Games, Video Games, TV & Video and 16 other categories.


1 Optimatic is leading in most countries, including United States, United Kingdom, Israel, Canada and 9 other countries.

2 Open AdExchange is leading in Denmark, Netherlands, Sweden, Norway and 2 other countries.