---
title: "Discussion on \"CDN Explained for Developers: Edge Caching, Request Routing, and What Actually Happens to a Web Request\" | Hashnode"
description: "Discussion on \"CDN Explained for Developers: Edge Caching, Request Routing, and What Actually Happens to a Web Request\". Learn how a CDN works, from edge routing and cache hits to TTLs, origin requests, dynamic acceleration, and the role of edge servers."
url: "https://hashnode.com/posts/cdn-explained-edge-caching-request-routing/6a7be6bdc9386fea26b28d1e"
---

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Discussion

# [CDN Explained for Developers: Edge Caching, Request Routing, and What Actually Happens to a Web Request](https://alvinyang.hashnode.dev/cdn-explained-edge-caching-request-routing?utm_source=hashnode&utm_medium=feed)

Learn how a CDN works, from edge routing and cache hits to TTLs, origin requests, dynamic acceleration, and the role of edge servers.

Aug 12 · 8 min read · alvinyang.hashnode.dev  
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-   [#cdn](https://hashnode.com/tag/cdn)
-   [#content-delivery-network](https://hashnode.com/tag/content-delivery-network)
-   [#performance](https://hashnode.com/tag/performance)

## Written by

[Alvin Yang](https://hashnode.com/@Alvin-Yang)

@Alvin-Yang

  
[View profile](https://hashnode.com/@Alvin-Yang)

Product professional focused on CDN technologies, web performance, and cloud security.

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