Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.
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.
LiteSpeed is a high-scalability web server.
Magnific Popup is a responsive lightbox & dialog script with focus on performance and providing best experience for user with any device.
PHP is a general-purpose scripting language used for web development.
Reveal CSS animation as you scroll down a page.