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

PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.

Cloudflare bot management solution identifies and mitigates automated traffic to protect websites from bad bots.

Varnish is a reverse caching proxy.

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.

Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.

Node.js is an open-source, cross-platform, JavaScript runtime environment that executes JavaScript code outside a web browser.

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

Next.js is a React framework for developing single page Javascript applications.

React is an open-source JavaScript library for building user interfaces or UI components.

Webpack is an open-source JavaScript module bundler.