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, Amazon A9 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, Internet & Telecom, Business & Industry and 211 other categories.

2 Amazon A9 is leading in Motorcycles, Newspapers, Makes & Models, Weapons and 10 other categories.


1 AppNexus is leading in most countries, including France, Sweden, Belgium, Canada and 137 other countries.

2 Amazon A9 is leading in United States, United Kingdom, Spain, Brazil and 21 other countries.