Reference
Conceptual knowledge about how Workers works.
- How the Cache works: How Workers interacts with the Cloudflare cache.
 - How Workers works: The difference between the Workers runtime versus traditional browsers and Node.js.
 - Migrate from Service Workers to ES Modules: Write your Worker code in ES modules syntax for an optimized experience.
 - Protocols: Supported protocols on the Workers platform.
 - Security model: This article includes an overview of Cloudflare security architecture, and then addresses two frequently asked about issues: V8 bugs and Spectre.