Amazon A9
1,192,626 websites

Amazon A9 costs money

http://www.a9.com/

A9 manages product search and advertising technologies that are scalable, highly available, and cross-platform for Amazon and other clients.

VS

SMART AdServer
961,218 websites

SMART AdServer offers both free and paid options

http://www.smartadserver.com

Smart AdServer SAS develops and markets one of the main ad serving technologies for the management of online campaigns for media agencies and publishers. Created in 2001, the company Smart AdServer, has 300 customers for 1600 sites span...

Market Share by Top Websites

1 Amazon A9 is leading in The Entire Web.

2 SMART AdServer is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Amazon A9 has better usage coverage in more websites categories. Including Arts & Entertainment, Science & Education, Computers Electronics & Technology, Games and 15 other categories.

2 SMART AdServer is leading in News & Media, Vehicles, E-commerce & Shopping, Home & Garden and one other category.

Geography

1 SMART AdServer is leading in most countries, including Russia, France, Taiwan, Italy and 114 other countries.

2 Amazon A9 is leading in United States, United Kingdom, Canada, Philippines and 39 other countries.