Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

SweetAlert is a JavaScript library that provides alternative alert and modal dialog boxes for web applications, with customisable features, aiming to improve the user interface of the default browser dialogs.

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Semantic UI is a front-end development framework, powered by LESS and jQuery.

jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.

cdnjs is a free distributed JS library delivery service.

React is an open-source JavaScript library for building user interfaces or UI components.

Unpkg is a content delivery network for everything on npm.

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.

AWS ELB is a network load balancer service provided by Amazon Web Services for distributing traffic across multiple targets, such as Amazon EC2 instances, containers, IP addresses, and Lambda functions.

Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.

Fly is a platform for running full stack apps and databases.

Varnish is a reverse caching proxy.