Market Share by Top Websites

1 Facebook Custom Audiences 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 Facebook Custom Audiences in all market share segments.

Websites Categories

1 Facebook Custom Audiences has better usage coverage in more websites categories. Including Computers Electronics & Technology, Lifestyle, Food & Drink, Business & Consumer Services and 12 other categories.

2 Amazon A9 is leading in Science & Education, Arts & Entertainment, Games, Community & Society and 4 other categories.


1 Facebook Custom Audiences is leading in most countries, including United States, United Kingdom, Russia, Brazil and 158 other countries.

2 Amazon A9 hasn't got a lead over Facebook Custom Audiences in any country.