Emotion is a library designed for writing CSS styles with JavaScript.
Envoy is an open-source edge and service proxy, designed for cloud-native applications.
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.
Naver Analytics is a Korean based analytics service.
Next.js is a React framework for developing single page Javascript applications.
Open Graph is a protocol that is used to integrate any web page into the social graph.