Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Ecwid is a shopping cart plugin that turns any existing website into an online store.
Google Analytics is a free web analytics service that tracks and reports website traffic.
LiteSpeed is a high-scalability web server.
ProcessWire is an open source content management system (CMS) and framework (CMF).
UIKit is the framework used for developing iOS applications.