Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Snowplow is an open-source behavioral data management platform for businesses.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.