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      </svg></a> </h2>
<section aria-labelledby="toc_cdn">
<p>Content Delivery Network</p>
<p>This is typically a paid service you can use to get great performance for your app. Many CDNs act as caching proxies to your origin server; some require you to upload your assets to them. They give you a URL for each resource in your app. This URL will resolve differently for folks depending on where they're browsing.</p>
<p>Behind the scenes, the CDN will distribute