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 Arts & Entertainment, People & Society, News & Media, Business & Industry and 230 other categories.

2 CPMStar is leading in Games, Video Games, Online and Roleplaying.

Geography

1 Rubicon Project is leading in most countries, including Japan, United States, Germany, France and 199 other countries.

2 CPMStar is leading in Montenegro, British Indian Ocean Territory, Armenia, Palau and 6 other countries.