Market Share by Top Websites

1 Index Exchange 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 Index Exchange in all segments.

Websites Categories

1 Index Exchange has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Arts & Entertainment, Domain Names & Register and 232 other categories.

2 Adzerk is leading in College & University Press, Extreme Sports and Guides & Reviews.


1 Index Exchange is leading in most countries, including United States, United Kingdom, Russia, Canada and 139 other countries.

2 Adzerk is leading in France, Belgium, Algeria, Reunion and 17 other countries.