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Edge function

platform

Also called: serverless function

Plain-language definition

Plain-language definition

Server code executed on distributed infrastructure near incoming requests.

Why it matters

Edge execution can reduce latency, but runtime limits affect libraries, connections, and state management.

Technical detail

An edge function runs in a constrained regional or global runtime and handles requests without requiring a traditional long-lived application server.

Examples

  • A Cloudflare Worker validates and serves a glossary API request.

Sources and review

Reviewed July 12, 2026 by e2e-1783854138445-0citu53rtqqe@test.repairyour.tech. Next review due July 11, 2027.

  1. Cloudflare Workers documentation — Cloudflare Accessed 7/11/2026

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