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 Despite its recent growth, Atlas is still behind Rubicon Project in all market share segments.

Websites Categories

1 Atlas has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, News & Media and 181 other categories.

2 Rubicon Project is leading in Chats & Forums, Cooking & Recipes, Motorcycles, Soccer and 25 other categories.


1 Rubicon Project is leading in most countries, including United States, France, Japan, Spain and 88 other countries.

2 Atlas is leading in India, Canada, Australia, Indonesia and 58 other countries.