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

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

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.

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.

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

Lightbox is small javascript library used to overlay images on top of the current page.

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.

DataTables is a plug-in for the jQuery Javascript library adding advanced features like pagination, instant search, themes, and more to any HTML table.

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