Eyeota
31,546 websites

Eyeota offers both free and paid options

http://www.eyeota.com/

Eyeota helps publishers build and segment their audience data and then monetize it through the eyeota data marketplace

VS

Xaxis
26,271 websites

Xaxis costs money

https://www.xaxis.com/

Xaxis ads, a part of GroupM and merged with 24/7 Media.

Market Share by Top Websites

1 Eyeota is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 Xaxis is leading in Top 10K Sites.

Websites Categories

1 Xaxis has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Food & Drink, Travel & Tourism and 16 other categories.

2 Eyeota is leading in Games, Arts & Entertainment, Adult and Gambling.

Geography

1 Eyeota is leading in most countries, including United States, China, Indonesia, Brazil and 138 other countries.

2 Xaxis is leading in Japan, Czech Republic, Portugal, Slovakia and 6 other countries.