Chapter 8. High-performance stylesheets

This chapter covers

  • Stylesheet concatenation
  • Stylesheet and asset compression
  • Strategies for reducing and parallelizing image requests
  • Selector performance and optimization strategies

In the last chapter, you learned how stylesheets, due to their heavy reliance on external assets, can become a serious maintenance burden. But even worse, stylesheets can be the source of myriad client-side performance issues and the dreaded “mixed content” warning.

But by following the best practices of client-side performance, you may be able to shave seconds off of your page load times. This can have a significant impact on your search engine rankings, user engagement, and goal conversion metrics. There are whole ...

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