Market Share by Top Websites

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

2 Despite its recent growth, Ad Butler is still behind AppNexus in all market share segments.

Websites Categories

1 AppNexus has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Internet & Telecom and 233 other categories.

2 Ad Butler is leading in College & University Press.

Geography

1 AppNexus is leading in most countries, including United States, France, India, United Kingdom and 193 other countries.

2 Ad Butler is leading in Belarus.