Market Share by Top Websites

1 Rubicon Project 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 Rubicon Project in all segments.

Websites Categories

1 Rubicon Project has better usage coverage in more websites categories. Including People & Society, Internet & Telecom, News & Media, Business & Industry and 126 other categories.

2 CPMStar is leading in Games, Video Games, Online, Arts & Entertainment and 53 other categories.

Geography

1 Rubicon Project is leading in most countries, including United States, France, Japan, Spain and 114 other countries.

2 CPMStar is leading in Russia, Indonesia, India, Turkey and 41 other countries.