cdnjs is a free distributed JS library delivery service.
Django is a Python-based free and open-source web application framework.
Google Optimize allows you to test variants of web pages and see how they perform.
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.
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.
Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm.
Moment.js is a free and open-source JavaScript library that removes the need to use the native JavaScript Date object directly.
Naver Analytics is a Korean based analytics service.
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.
Sentry is an open-source platform for workflow productivity, aggregating errors from across the stack in real time.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.