# Fastly

[Fastly](https://www.fastly.com/) is a Content Delivery Network (CDN) which uses Varnish as a caching HTTP reverse proxy.

For most use cases, you can rely on [Varnish integration documentation](varnish).

> **Note**
>
> For Magento users, please refer to [the Magento integration documentation](../../php/integrations/magento#magento-fastly).