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, Zedo 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 Autos & Vehicles, Food & Drink, Chats & Forums, Music & Audio and 90 other categories.

2 Zedo is leading in Arts & Entertainment, People & Society, News & Media, Business & Industry and 80 other categories.


1 Rubicon Project is leading in most countries, including United States, France, Japan, Spain and 127 other countries.

2 Zedo is leading in India, Hong Kong, Taiwan, Saudi Arabia and 19 other countries.