提升网站速度的必读书籍：前端工程师实战指南
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更新于2024-07-10
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"《高性能网站建设指南——前端工程师技能精粹》是一本备受推崇的前端开发书籍，由Steve Souders撰写。这本书针对网页性能优化提出了深入且实用的策略，旨在帮助开发者提升网站速度和用户体验。书中内容涵盖了如何将复杂而深奥的网页性能优化技术简化为一系列清晰、可操作的工程步骤，这些步骤对整个Web世界产生了深远影响。
该书的重要性在于，它不仅提供了大量实际可行的建议，如通过减少HTTP请求数量、压缩图片、利用CSS Sprites等技术来加速页面加载，还强调了像YSlow这样的工具在性能测试中的作用。书中案例和实践性的指导使得无论是新手前端工程师还是经验丰富的开发者都能从中获益。
许多业内知名人士对这本书给予高度评价，例如Joe Hewitt，Firebug调试器和Mozilla DOM Inspector的开发者，他指出如果每个人都遵循书中的20%原则，网络环境将会有显著改善。Eric Lawrence，Fiddler网络调试器的开发者，微软公司的成员，赞扬Steve将复杂的艺术工作转化为实用的工程解决方案。Nate Moch，Zillow.com的开发者表示，这本书在压力测试Zillow.com的性能时起到了关键作用，他强烈推荐新任UE开发者和性能工程师阅读。
Tony Chor，集团程序管理人，也认为《高性能网站建设指南》是每个Web开发者必备的参考书，书中提供的建议能让网站显著变得更加快速。这本书不仅是一份技术指南，更是一个推动网页性能优化进程的重要资源，对于提高网站性能和用户满意度具有重大价值。"
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Preface
Chapter 1, Rule 1: Make Fewer HTTP Requests describes why extra HTTP requests
have the biggest impact on performance, and discusses ways to reduce these HTTP
requests including image maps, CSS sprites, inline images using
data: URLs, and
combining scripts and stylesheets.
Chapter 2, Rule 2: Use a Content Delivery Network highlights the advantages of using
a content delivery network.
Chapter 3, Rule 3: Add an Expires Header digs into how a simple HTTP header dra-
matically improves your web pages by using the browser’s cache.
Chapter 4, Rule 4: Gzip Components explains how compression works and how to
enable it for your web servers, and discusses some of the compatibility issues that
exist today.
Chapter 5, Rule 5: Put Stylesheets at the Top reveals how stylesheets affect the render-
ing of your page.
Chapter 6, Rule 6: Put Scripts at the Bottom shows how scripts affect rendering and
downloading in the browser.
Chapter 7, Rule 7: Avoid CSS Expressions discusses the use of CSS expressions and
the importance of quantifying their impact.
Chapter 8, Rule 8: Make JavaScript and CSS External talks about the tradeoffs of
inlining your JavaScript and CSS versus putting them in external files.
Chapter 9, Rule 9: Reduce DNS Lookups highlights the often-overlooked impact of
resolving domain names.
Chapter 10, Rule 10: Minify JavaScript quantifies the benefits of removing
whitespace from your JavaScript.
Chapter 11, Rule 11: Avoid Redirects warns against using redirects, and provides
alternatives that you can use instead.
Chapter 12, Rule 12: Remove Duplicate Scripts reveals what happens if a script is
included twice in a page.
Chapter 13, Rule 13: Configure ETags describes how ETags work and why the
default implementation is bad for anyone with more than one web server.
Chapter 14, Rule 14: Make Ajax Cacheable emphasizes the importance of keeping
these performance rules in mind when using Ajax.
Chapter 15, Deconstructing 10 Top Sites gives examples of how to identify perfor-
mance improvements in real-world web sites.
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