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.
Nuxt is a Vue framework for developing modern web applications.
Optimizely is an experimentation platform that helps developers build and run A/B tests on websites.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.