platform en
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.
Related terms
Sources and review
Reviewed July 12, 2026 by [email protected]. Next review due July 11, 2027.
- Cloudflare Workers documentation — Cloudflare Accessed 7/11/2026
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