Market Share by Top Websites

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

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

Websites Categories

1 OpenX has better usage coverage in more websites categories. Including Internet & Telecom, Arts & Entertainment, People & Society, Business & Industry and 238 other categories.

2 Adzerk is leading in Guides & Reviews.


1 OpenX is leading in most countries, including United States, Japan, France, Russia and 206 other countries.

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