High Performance Web Sites: Essential Knowledge for Front-End Engineers

Overview

Want your web site to display more quickly? This book presents 14 specific rules that will cut 25% to 50% off response time when users request a page. Author Steve Souders, in his job as Chief Performance Yahoo!, collected these best practices while optimizing some of the most-visited pages on the Web. Even sites that had already been highly optimized, such as Yahoo! Search and the Yahoo! Front Page, were able to benefit from these surprisingly simple performance guidelines.

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High Performance Web Sites: Essential Knowledge for Front-End Engineers

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Overview

Want your web site to display more quickly? This book presents 14 specific rules that will cut 25% to 50% off response time when users request a page. Author Steve Souders, in his job as Chief Performance Yahoo!, collected these best practices while optimizing some of the most-visited pages on the Web. Even sites that had already been highly optimized, such as Yahoo! Search and the Yahoo! Front Page, were able to benefit from these surprisingly simple performance guidelines.

The rules in High Performance Web Sites explain how you can optimize the performance of the Ajax, CSS, JavaScript, Flash, and images that you've already built into your site — adjustments that are critical for any rich web application. Other sources of information pay a lot of attention to tuning web servers, databases, and hardware, but the bulk of display time is taken up on the browser side and by the communication between server and browser. High Performance Web Sites covers every aspect of that process.

Each performance rule is supported by specific examples, and code snippets are available on the book's companion web site. The rules include how to:

  • Make Fewer HTTP Requests
  • Use a Content Delivery Network
  • Add an Expires Header
  • Gzip Components
  • Put Stylesheets at the Top
  • Put Scripts at the Bottom
  • Avoid CSS Expressions
  • Make JavaScript and CSS External
  • Reduce DNS Lookups
  • Minify JavaScript
  • Avoid Redirects
  • Remove Duplicates Scripts
  • Configure ETags
  • Make Ajax Cacheable

If you're building pages for high traffic destinations and want to optimize the experience of users visiting your site, this book is indispensable.

"If everyone would implement just 20% of Steve's guidelines, the Web would be adramatically better place. Between this book and Steve's YSlow extension, there's reallyno excuse for having a sluggish web site anymore."

-Joe Hewitt, Developer of Firebug debugger and Mozilla's DOM Inspector

"Steve Souders has done a fantastic job of distilling a massive, semi-arcane art down to a set of concise, actionable, pragmatic engineering steps that will change the world of web performance."

-Eric Lawrence, Developer of the Fiddler Web Debugger, Microsoft Corporation

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Product Details

  • ISBN-13: 9780596529307
  • Publisher: O'Reilly Media, Incorporated
  • Publication date: 9/18/2007
  • Edition number: 1
  • Pages: 170
  • Sales rank: 756,231
  • Product dimensions: 7.00 (w) x 9.19 (h) x 0.43 (d)

Meet the Author

Steve Souders works at Google on web performance and open source initiatives. His books High Performance Web Sites and Even Faster Web Sites explain his best practices for performance along with the research and real-world results behind them. Steve is the creator of YSlow, the performance analysis extension to Firebug with more than 1 million downloads. He serves as co-chair of Velocity, the web performance and operations conference sponsored by O'Reilly. Steve taught CS193H: High Performance Web Sites at Stanford, and he frequently speaks at such conferences as OSCON, Rich Web Experience, Web 2.0 Expo, and The Ajax Experience.

Steve previously worked at Yahoo! as the Chief Performance Yahoo!,where he blogged about web performance on Yahoo! Developer Network. He was named a Yahoo! Superstar. Steve worked on many of the platforms and products within the company, including running the development team for My Yahoo!. Prior to Yahoo! Steve worked at several small to mid-sized startups including two companies he co-founded, Helix Systems and CoolSync. He also worked at General Magic, WhoWhere?, and Lycos.

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Table of Contents

Praise for High Performance Web Sites

Foreword

Preface

Chapter 1: The Importance of Frontend Performance

Chapter 2: HTTP Overview

Chapter 3: Rule 1: Make Fewer HTTP Requests

Chapter 4: Rule 2: Use a Content Delivery Network

Chapter 5: Rule 3: Add an Expires Header

Chapter 6: Rule 4: Gzip Components

Chapter 7: Rule 5: Put Stylesheets at the Top

Chapter 8: Rule 6: Put Scripts at the Bottom

Chapter 9: Rule 7: Avoid CSS Expressions

Chapter 10: Rule 8: Make JavaScript and CSS External

Chapter 11: Rule 9: Reduce DNS Lookups

Chapter 12: Rule 10: Minify JavaScript

Chapter 13: Rule 11: Avoid Redirects

Chapter 14: Rule 12: Remove Duplicate Scripts

Chapter 15: Rule 13: Configure ETags

Chapter 16: Rule 14: Make Ajax Cacheable

Chapter 17: Deconstructing 10 Top Sites

Colophon

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Sort by: Showing all of 2 Customer Reviews
  • Posted October 15, 2008

    more from this reviewer

    Practical, Immediate ways to Optimize your web site

    If your site pages do not load quickly enough, most users will take their business elsewhere.<BR/><BR/>This book is full of examples to optimize in ways that do not appear intuitive at first (eg .js files should be loaded last in html, not first).<BR/><BR/>After implementing these suggestions you should more than make your money back on bandwith savings alone (assuming you have a couple thousand visitors a day).

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  • Anonymous

    Posted October 15, 2008

    No text was provided for this review.

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