Cloudflare Workers runs JavaScript at the edge across 330+ global locations. Workers execute in V8 isolates with sub-millisecond cold starts. The request-response model intercepts HTTP requests at Cloudflare’s network. Workers can modify requests, fetch from origins, and . KV (Key-Value) storage provides low-latency global data access. Durable Objects enable coordinated state across requests. R2 object storage provides S3-compatible storage without egress fees. Queues support asynchronous task processing. Cron Triggers run scheduled Workers on defined intervals. Workers are ideal for A/B testing, authentication, and API gateways. Response streaming supports progressive HTML rendering. Workers Limits include CPU time (10ms free, 50ms paid) and memory (128MB). WebAssembly modules can be deployed alongside JavaScript Workers. Workers use Service Workers API for request handling environment. Pricing is based on requests, CPU time, and included monthly usage. Workers enable unprecedented performance optimization for global applications. Serverless at the edge eliminates origin server round trips. DDoS protection is built into Cloudflare’s network. Workers represent the next evolution of serverless computing.
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