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Overview
Cloudflare Workers is a global serverless functions platform that lets developers deploy code in seconds across Cloudflare's network of 335+ cities. Built on V8 isolates rather than traditional containers, Workers are an order of magnitude more lightweight, enabling instant scaling from zero to millions of concurrent requests without cold starts.
Developers love Workers because they eliminate the complexity of infrastructure management. You write code in JavaScript, TypeScript, Python, or Rust, test locally with the open-source workerd runtime, and deploy globally with a single command. The platform handles scaling, load balancing, and regional configuration automatically, so you can focus on building features instead of managing servers.
With a pay-per-CPU-time pricing model, you only pay for actual execution time, not idle time waiting on I/O. This makes Workers cost-effective for both small projects and high-traffic applications, with no pre-provisioned concurrency fees.
