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, AdRiver is still behind Rubicon Project in all market share segments.

Websites Categories

1 Rubicon Project has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Internet & Telecom and 171 other categories.

2 AdRiver is leading in Business & Industry, Shopping, Marketing & Advertising, Real Estate and 39 other categories.


1 Rubicon Project is leading in most countries, including United States, France, Italy, Japan and 157 other countries.

2 AdRiver is leading in Russia, Ukraine, Belarus, Kazakhstan and 11 other countries.