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, Atlas 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 234 other categories.

2 Atlas is leading in Insurance, Weight Loss, Philosophy, Networking and one other category.


1 OpenX is leading in most countries, including France, United States, Russia, Japan and 197 other countries.

2 Atlas is leading in Vatican City.