cdnjs is a free distributed JS library delivery service.
Elfsight is an all-in-one platform offering 70+ customisable widgets for websites.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Histats is a simple website visitor analysis and tracking tool.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.