Apache Traffic Server is an open-source caching and proxying server that serves as an HTTP/1.1 and HTTP/2 reverse proxy with caching capabilities, load balancing, request routing, SSL termination, and support for advanced HTTP features.

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

Apache is a free and open-source cross-platform web server software.

Debian is a Linux software which is a free open-source software.

FancyBox is a tool for displaying images, html content and multi-media in a Mac-style 'lightbox' that floats overtop of web page.

YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.

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

Contact Form 7 is an WordPress plugin which can manage multiple contact forms. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering.

Modernizr is a JavaScript library that detects the features available in a user's browser.

WordPress Super Cache is a static caching plugin for WordPress.

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.

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.

Slider Revolution is a flexible and highly customisable slider.

Google Analytics is a free web analytics service that tracks and reports website traffic.

MySQL is an open-source relational database management system.

Query Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9.

WPBakery is a drag and drop visual page builder plugin for WordPress.