cdnjs is a free distributed JS library delivery service.
Howler.js is an audio library with support for the Web Audio API and a fallback mechanism for HTML5 Audio.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
Magnific Popup is a responsive lightbox & dialog script with focus on performance and providing best experience for user with any device.
Vercel is a cloud platform for static frontends and serverless functions.