cdnjs is a free distributed JS library delivery service.
Fastly is a cloud computing services provider. Fastly's cloud platform provides a content delivery network, Internet security services, load balancing, and video & streaming services.
GitHub Pages is a static site hosting service.
Pure CSS is a set of small, responsive CSS modules that can be used in web projects.
Responsive navigation plugin without library dependencies and with fast touch screen support.
Varnish is a reverse caching proxy.