cdnjs is a free distributed JS library delivery service.
Fork CMS is an open-source content management system.
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.
Typekit is an online service which offers a subscription library of fonts.
Unpkg is a content delivery network for everything on npm.