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, Sovrn 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, Business & Industry, Chats & Forums and 237 other categories.

2 Sovrn is leading in Home Improvement, Guides & Reviews and Educational Resources.


1 OpenX is leading in most countries, including France, United States, Russia, Japan and 207 other countries.

2 Sovrn is leading in Saint Vincent.