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

AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.

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

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.

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

Pinterest is an image sharing and social media service designed to enable saving and discovery of information.

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

reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.

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 S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.

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

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

Varnish is a reverse caching proxy.

Envoy is an open-source edge and service proxy, designed for cloud-native applications.