Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Contentful is an API-first content management platform to create, manage and publish content on any digital channel.
Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.
Google Cloud Trace is a distributed tracing system that collects latency data from applications and displays it in the Google Cloud Console.
Open Graph is a protocol that is used to integrate any web page into the social graph.