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Edge Computing Complete Guide 2026: Cloudflare Workers, Deno Deploy, and Vercel Edge

Edge computing moves your code from a handful of data centers to dozens or hundreds of locations worldwide — executing as close to the user as possible. In 2026, edge platforms have matured beyond simple request handlers: they support full applications, database access, AI inference, and real-time collaboration. This guide compares the leading edge platforms and covers when edge computing makes sense (and when it doesn't).

Edge Platform Comparison

Feature Cloudflare Workers Deno Deploy Vercel Edge AWS Lambda@Edge

Runtime V8 isolates (not Node.js) Deno (V8, web standards) Edge Runtime (subset of Node.js) Node.js (limited)

Global Locations 310+ cities 35+ regions 100+ regions (via Cloudflare) 410+ (CloudFront PoPs)

Cold Start <5ms (isolates, near-instant) <10ms <50ms…