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.

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 Cloud is a suite of cloud computing services.

Plesk is a web hosting and server data centre automation software with a control panel developed for Linux and Windows-based retail hosting service providers.

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

cdnjs is a free distributed JS library delivery service.

Moment.js is a free and open-source JavaScript library that removes the need to use the native JavaScript Date object directly.

Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.

reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.

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.

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 UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.

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