Market Share by Top Websites

1 Amazon A9 is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 Despite its recent growth, SpotX is still behind Amazon A9 in all market share segments.

Websites Categories

1 Amazon A9 has better usage coverage in more websites categories. Including Arts & Entertainment, News & Media, People & Society, Food & Drink and 147 other categories.

2 SpotX is leading in Car Buying, Automotive Industry, College & University Press, Engineering & Technology and 7 other categories.


1 Amazon A9 is leading in most countries, including United States, United Kingdom, France, Spain and 127 other countries.

2 SpotX is leading in Netherlands, Eritrea and Kazakhstan.