# Content Delivery Network (CDN)

*noun*

say it: **“SEE-DEE-EN”** **/ˌsiː diː ˈɛn/**

A network of servers around the world that hosts popular files, so pages can link to them and load them quickly.

## What is **Content Delivery Network (CDN)**?

**Content Delivery Network (CDN)** — Servers around the world that keep copies of popular files, such as Bootstrap's stylesheet. Your page links to the file, and each visitor gets it from a server near them, often already in their browser's cache.

```html
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet">
```

## In a sentence

- “We load Bootstrap from a **CDN**, so visitors get it from a server near them.”

Level: Apprentice · [More Web Development terms at this level](https://www.ask-codey.com/glossary?category=web-development&level=2)

Updated: October 28, 2026

Source: https://www.ask-codey.com/glossary/content-delivery-network-cdn