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 Arts & Entertainment, People & Society, News & Media, Business & Industry and 231 other categories.

2 Zedo is leading in Search Engine, Animal Products & Service, Gifts, Ad Network and one other category.


1 Rubicon Project is leading in most countries, including United States, France, Russia, Brazil and 181 other countries.

2 Zedo is leading in Hong Kong, Botswana, Grenada, Lao and one other country.