cdnjs is a free distributed JS library delivery service.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Tiny Slider is a vanilla javascript slider for all purposes.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.