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 Arts & Entertainment, Business & Industry, Shopping, Computer & Electronics and 184 other categories.

2 Amazon A9 is leading in People & Society, Religion & Spirituality, Internet & Telecom, News & Media and 50 other categories.


1 AppNexus is leading in most countries, including United States, France, Brazil, Germany and 171 other countries.

2 Amazon A9 is leading in Japan, Indonesia, Viet Nam, Colombia and 27 other countries.