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[...]... the web performance community Thus, you can enjoy the chapters that lie ahead not only because they are some of the best web performance advice on the planet, but also because it was given to the web performance community selflessly Enjoy! —Steve Souders xii | Foreword From the Editor In the spirit of the true high -performance, non-blocking asynchronous delivery, you now have the Web Performance Daybook,. .. to the YUI library He is the author of Maintainable JavaScript (O’Reilly, 20 12) , Professional JavaScript for Web Developers (Wrox, 20 12) , Professional Ajax (Wrox, 20 07), and High Performance JavaScript (O’Reilly, 20 10) Nicholas is a strong advocate for development best practices including progressive enhancement, accessibility, performance, scalability, and maintainability He blogs regularly at http://www.nczonline.net/... practices for performance; it was #1 in Amazon’s Computer and Internet bestsellers His follow-up book, Even Faster Web Sites, provides performance tips for today’s Web 2. 0 applications Steve is the creator of YSlow, the performance analysis extension to Firebug, with over 2 million downloads He also created Cuzillion, SpriteMe, and Browserscope He serves as cochair of Velocity, the web performance and... Wine.com, and O’Reilly Media Joshua also maintains the blog Web Performance Today (http://www.webperformancetoday com/), which explores issues and ideas about site speed, user behavior, and performance optimization Sergey Chernyshev Sergey Chernyshev (http://www.sergeychernyshev.com/) (@sergeyche) organizes New York Web Performance Meetup and helps other performance enthusiasts around the world start meetups... taught CS193H: High Performance Web Sites at Stanford, and frequently speaks at conferences including OSCON, The Ajax Experience, SXSW, and Web 2. 0 Expo About the Authors | xvii Betty Tso Betty is a Software Development Manager at Amazon Prior to that, she led the Exceptional Performance Engineering team at Yahoo! and drove the engineering execution and development for Yahoo!'s top Web Performance products... Performance Daybook, Volume 2 published before Volume 1 I hope you'll enjoy reading the book as much as I enjoyed working on it and rubbing (virtual) shoulders with some of the brightest people in our industry Back in December 20 09, I wanted to give an overview of the web performance optimization (WPO) discipline I decided on a self-imposed deadline of an-article-a-day from December 1 to 24 : the format of... developer and author of a few web performance- related tools including ShowSlow, SVN Assets, drop-in htaccess, and more JP Castro JP Castro (@jphpsf) is a frontend engineer living in San Francisco He’s passionate about web development and specifically web performance He blogs at http://blog.jphpsf.com and co-organizes the San Francisco performance meetup When he’s not talking about performance, he enjoys spending... permission We appreciate, but do not require, attribution An attribution usually includes the title, author, publisher, and ISBN For example: Web Performance Daybook, Volume Two edited by Stoyan Stefanov (O’Reilly) Copyright 20 12 Stoyan Stefanov, 978-1-449-3 329 1-4.” If you feel your use of code examples falls outside fair use or the permission given above, feel free to contact us at permissions@oreilly.com... Daybooks Then came December 20 11, and we had so much good content and enthusiasm that we kept going past December 24 , all the way to December 31, even publishing two articles on the last day This is the content that you have in your hands in a book format as Web Performance Daybook, Volume 2 Our WPO community is young, small, but growing, and in need of nourishment in the form of community building events... http://www.nczonline.net/ xv Guy Podjarny Guy Podjarny (http://blaze.io/) (@guypod) is Web Performance and Security expert, specializing in Mobile Web Performance, CTO at Blaze Guy spent the last decade prior to Blaze as a Software Architect and Web Application Security expert, driving the IBM Rational AppScan product line from inception to being the leading Web Application Security assessment tool Guy has filed over 15 patents, . Web Performance Daybook, Volume 2 Edited by Stoyan Stefanov Beijing • Cambridge • Farnham • Köln • Sebastopol • Tokyo Web Performance Daybook, Volume 2 Edited by Stoyan Stefanov Copyright © 20 12. 17 Design Goals 19 The Snippet 19 Appending Alternatives 21 Whew! 22 What’s Missing? 22 First Parties 22 Parting Words: On the Shoulders of Giants 23 5. Carrier Networks: Down the Rabbit Hole . . . . . . . . 25 by Tim Kadlec Variability 25 Latency 26 Transcoding 26 Gold in Them There Hills 27 4G Won’t Save Us 28 Where Do We Go from Here? 28 Light at the End of the Tunnel 28 6. The Need
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Xem thêm: Web Performance Daybook, Volume 2 docx, Web Performance Daybook, Volume 2 docx, Chapter 3. Why Inlining Everything Is NOT the Answer, Chapter 4. The Art and Craft of the Async Snippet, Chapter 5. Carrier Networks: Down the Rabbit Hole, Chapter 6. The Need for Parallelism in HTTP, Chapter 8. Frontend SPOF in Beijing, Chapter 10. Secrets of High Performance Native Mobile Applications, Chapter 11. Pure CSS3 Images? Hmm, Maybe Later, Chapter 12. Useless Downloads of Background Images in Android, Chapter 15. Using Intelligent Caching to Avoid the Bot Performance Tax, Chapter 16. A Practical Guide to the Navigation Timing API, Chapter 17. How Response Times Impact Business, Chapter 18. Mobile UI Performance Considerations, Chapter 19. Stop Wasting Your Time Using the Google Analytics Site Speed Report, Chapter 20. Beyond Web Developer Tools: Strace, Chapter 21. Introducing mod_spdy: A SPDY Module for the Apache HTTP Server, Chapter 22. Lazy Evaluation of CommonJS Modules, Chapter 23. Advice on Trusting Advice, Chapter 24. Why You’re Probably Reading Your Performance Measurement Results Wrong (At Least You’re in Good Company), Chapter 26. Performance Testing with Selenium and JavaScript, Chapter 27. A Simple Way to Measure Website Performance, Chapter 28. Beyond Bandwidth: UI Performance, Chapter 29. CSS Selector Performance Has Changed! (For the Better), Chapter 31. Measure Twice, Cut Once, Chapter 32. When Good Backends Go Bad, Chapter 33. Web Font Performance: Weighing @font-face Options and Alternatives, Introducing Boot.getFont: A Fast and Tiny Web Font Loader