HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
jPlayer is a cross-browser JavaScript library developed as a jQuery plugin which facilitates the embedding of web based media, notably HTML5 audio and video in addition to Adobe Flash based media.
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.
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.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
LiteSpeed is a high-scalability web server.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Plausible is an open-source alternative to Google Analytics.
Configurable JavaScript/CSS spinner that can be used as a resolution-independent loading indicator