Chapter 7. Image optimization

This chapter covers

  • The importance of image optimization
  • Online and command line image optimization tools
  • Automatic data URIs

As the old saying goes, “A picture is worth a thousand words.” Most websites today rely heavily on images to enhance their visual look and feel, so it isn’t surprising to learn that images often make up the bulk of a web page. Every byte counts in performance optimization and it’s important to optimize these images as much as possible.

In this chapter you’re going to learn about techniques you can apply to your website’s images that will reduce their file size and reduce the overall weight of your web pages. Modern image optimization techniques are proven to reduce image size by stripping ...

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