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, AdRiver 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, News & Media, People & Society, Business & Industry and 220 other categories.

2 AdRiver is leading in Construction & Maintenance, Automotive Industry, Accounting, Gifts and 3 other categories.


1 Rubicon Project is leading in most countries, including United States, France, Italy, Brazil and 176 other countries.

2 AdRiver is leading in Russia, Ukraine, Belarus, Kazakhstan and 9 other countries.