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Web Performance in Action: Building Fast Web Pages by Jeremy L. Wagner

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Chapter 10. Fine-tuning asset delivery

This chapter covers

  • Understanding compression basics, the impacts of poor compression configuration, and the new Brotli compression algorithm
  • Using caching to improve the performance of your website for repeat visitors
  • Exploring the benefits of CDN-hosted assets
  • Verifying the integrity of CDN resources by using Subresource Integrity

Until now, we’ve spent much of this book talking about techniques specific to the constituent parts of web pages, such as CSS, images, fonts, and JavaScript. Understanding how to fine-tune the delivery of these assets on your website can give it an added performance boost.

In this chapter, we’ll spend time investigating the effects of compression, both for good and ill, ...

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