cdnjs is a free distributed JS library delivery service.
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.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Plesk is a web hosting and server data centre automation software with a control panel developed for Linux and Windows-based retail hosting service providers.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.
TYPO3 is a free and open-source Web content management system written in PHP.
UIKit is the framework used for developing iOS applications.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.