Market Share by Top Websites

1 Adzerk is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, OpenX OpenAds is clearly lagging behind, losing to Adzerk in all segments.

Websites Categories

1 Adzerk has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Sports, Business & Industry and 155 other categories.

2 OpenX OpenAds is leading in E-Commerce.


1 Adzerk is leading in most countries, including France, United States, Poland, Belgium and 102 other countries.

2 OpenX OpenAds hasn't got a lead over Adzerk in any country.