cdnjs is a free distributed JS library delivery service.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Material Design Lite is a library of components for web developers.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Render is a cloud computing platform that provides a wide range of services, including web hosting, cloud computing, and application development. Render offers several hosting options, including static site hosting, web application hosting, and managed databases.