CDN77 is a content delivery network (CDN).

Varnish is a reverse caching proxy.

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

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

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.

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

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

Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.

Django is a Python-based free and open-source web application framework.

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.

Popper is a positioning engine, its purpose is to calculate the position of an element to make it possible to position it near a given reference element.

Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.

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

OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.

Python is an interpreted and general-purpose programming language.

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