Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
LiteSpeed is a high-scalability web server.
MODX (originally MODx) is an open source content management system and web application framework for publishing content on the World Wide Web and intranets.
Open Graph is a protocol that is used to integrate any web page into the social graph.
PHP is a general-purpose scripting language used for web development.