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, Atlas is clearly lagging behind, losing to Rubicon Project in all segments.

Websites Categories

1 Atlas has better usage coverage in more websites categories. Including People & Society, Business & Industry, Computer & Electronics, Software and 126 other categories.

2 Rubicon Project is leading in Arts & Entertainment, News & Media, Internet & Telecom, Chats & Forums and 91 other categories.


1 Rubicon Project is leading in most countries, including United States, France, Russia, Italy and 137 other countries.

2 Atlas is leading in India, Indonesia, China, Singapore and 44 other countries.