Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Imgix is a visual media platform for managing, processing, rendering, optimising and delivering your existing images.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
Open Graph is a protocol that is used to integrate any web page into the social graph.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.