Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Google Analytics is a free web analytics service that tracks and reports website traffic.

Varnish is a reverse caching proxy.

GitHub Pages is a static site hosting 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.

Google Cloud is a suite of cloud computing services.

Cloud CDN uses Google's global edge network to serve content closer to users.

Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.

Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.

CacheFly is a content delivery network (CDN) which offers CDN service that relies solely on IP anycast for routing, rather than DNS based global load balancing.

Ruby is an open-source object-oriented programming language.

A modest JavaScript framework for the HTML you already have.

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.

Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.