Market Share by Top Websites

1 AdRiver is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Adzerk is clearly lagging behind, losing to AdRiver in all segments.

Websites Categories

1 AdRiver has better usage coverage in more websites categories. Including Arts & Entertainment, Business & Industry, News & Media, Shopping and 132 other categories.

2 Adzerk is leading in People & Society, Religion & Spirituality, Sports, Technology News and 54 other categories.


1 Adzerk is leading in most countries, including France, United States, Canada, Brazil and 91 other countries.

2 AdRiver is leading in Russia, Ukraine, Belarus, Kazakhstan and 35 other countries.