Autonomy
34 websites

Autonomy costs money

http://www.autonomy.com/

HP Optimost uses advanced pattern-matching, mvt testing and optimization on a single platform to help you better understand customer data

VS

Foursquare Widget
128 websites

Foursquare Widget is free to use

https://developer.foursquare.com/

The foursquare API gives you access to all of the data used by the foursquare mobile applications, and, in some cases, even more.

Market Share by Top Websites

2 Autonomy is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 Foursquare Widget has better usage coverage in more websites categories. Including Arts & Entertainment, Travel & Tourism, Computers Electronics & Technology, News & Media and 11 other categories.

2 Autonomy is leading in Finance, Law & Government and Jobs & Career.

Geography

1 Foursquare Widget is leading in most countries, including United States, Russia, Spain, Italy and 29 other countries.

2 Autonomy is leading in South Korea, Slovakia, Brazil, France and 2 other countries.