HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.
jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.
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.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Simple parallax scrolling effect.
PHP is a general-purpose scripting language used for web development.
Tippy.js is the complete tooltip, popover, dropdown, and menu solution for the web, powered by Popper.
Typekit is an online service which offers a subscription library of fonts.
Unpkg is a content delivery network for everything on npm.