cdnjs is a free distributed JS library delivery service.
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.
Glider.js is a fast, lightweight, responsive, dependency-free scrollable list with customisable paging controls.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Cloud CDN uses Google's global edge network to serve content closer to users.
Google Sign-In is a secure authentication system that reduces the burden of login for users, by enabling them to sign in with their Google account.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.