# Edge function

> Serverless code running on a provider's global edge network (Cloudflare Workers, Vercel Edge, Deno Deploy).

Low latency, constrained runtime · ideal for auth middleware, A/B tests, redirects.

## Related terms

- https://dfieldsolutions.com/en/glossary/cdn-edge-vs-origin.md
- https://dfieldsolutions.com/en/glossary/wasm-edge.md

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Source: https://dfieldsolutions.com/en/glossary/edge-function
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