Even Faster Websites

Performance is critical to the success of any web site, and yet today's web applications push browsers to their limits with increasing amounts of rich content and heavy use of Ajax. In this book, Steve Souders, web performance evangelist at Google and former Chief Performance Yahoo!, provides valuable techniques to help you optimize your site's performance. Souders' previous book, the bestselling High Performance Web Sites, shocked the web development world by revealing that 80% of the time it takes for a web page to load is on the client side. In Even Faster Web Sites, Souders and eight expert contributors provide best practices and pragmatic advice for improving your site's performance in three critical categories: *JavaScript-Get advice for understanding Ajax performance, writing efficient JavaScript, creating responsive applications, loading scripts without blocking other components, and more. *Network-Learn to share resources across multiple domains, reduce image size without loss of quality, and use chunked encoding to render pages faster. *Browser-Discover alternatives to iframes, how to simplify CSS selectors, and other techniques. Speed is essential for today's rich media web sites and Web 2.0 applications. With this book, you'll learn how to shave precious seconds off your sites' load times and make them respond even faster. This book contains six guest chapters contributed by Dion Almaer, Doug Crockford, Ben Galbraith, Tony Gentilcore, Dylan Schiemann, Stoyan Stefanov, Nicole Sullivan, and Nicholas C. Zakas.

ISBN 0596522304   Pages 256 ISBN13 9780596522308 (What's this?)   Volumes 1 Publisher O'Reilly Media, Inc, USA   Weight (grammes) 415 Imprint O'Reilly Media, Inc, USA   Published in Sebastopol Format Paperback   Height (mm) 233 Publication date 23 Jun 2009   Width (mm) 178 DEWEY 006.76   Spine width (mm) 13 DEWEY edition DC22   Academic level Technical/vocational

1		Understanding Ajax performance		1
2		Creating responsive web applications		7
3		Splitting the initial payload		21
4		Loading scripts without blocking		27
5		Coupling asynchronous scripts		41
6		Positioning inline scripts		69
7		Writing efficient JavaScript		79
8		Scaling with Comet		109
9		Going beyond Gzipping		121
10		Optimizing images		133
11		Sharding dominant domains		161
12		Flushing the document early		171
13		Using Iframes sparingly		181
14		Simplifying CSS selectors		191
Appendix		Performance tools		205
		Index		221

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