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, CPMStar 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 238 other categories.

2 CPMStar is leading in Online.


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

2 CPMStar is leading in Saint Lucia and Mayotte.