---
title: Introduction to Fastly IO
summary: >-
  This is a step-by-step tutorial that shows you how to set up Fastly's Image
  Optimizer ("Fastly IO") for a real website. It builds on the concepts
  introduced in Introduction to Fastly's CDN, and it guides you through the
  steps of optimizing the images for Taco Labs, the static website we previously
  used as an example.
url: >-
  https://www.fastly.com/documentation/solutions/tutorials/image-optimizer/introduction-to-fastly-io
---

This tutorial guides you through the steps to set up Fastly's Image Optimizer ("Fastly IO") for a real website. It builds on the concepts introduced in Introduction to Fastly's CDN, and it guides you through the steps of optimizing the images for Taco Labs, the static website we previously used as an example.

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