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

jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.

Unpkg is a content delivery network for everything on npm.

Underscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.

Fly is a platform for running full stack apps and databases.

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.

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

Azure Front Door is a scalable and secure entry point for fast delivery of your global web applications.

Azure is a cloud computing service for building, testing, deploying, and managing applications and services through Microsoft-managed data centers.

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

Google Cloud is a suite of cloud computing services.