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

PHP is a general-purpose scripting language used for web development.

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

Cloud CDN uses Google's global edge network to serve content closer to users.

Google Cloud is a suite of cloud computing services.

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

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.

jQuery Modal is an overlay dialog box or in other words, a popup window that is made to display on the top or 'overlayed' on the current page.

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.

FingerprintJS is a browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier from them.

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.

cdnjs is a free distributed JS library delivery service.