Barker
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Web Development / JavaScript
User level:
Advanced
www.apress.com
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BOOKS FOR PROFESSIONALS BY PROFESSIONALS
®
Pro JavaScript Performance
With Pro JavaScript Performance, you will keep your websites responsive and run-
ning smoothly no matter how many users you have. This book gives you the tools to
observe and track the performance of your web applications over time from multiple
perspectives, so that you are always aware of, and can fix, all aspects of their perfor-
mance.
Author Tom Barker describes the different aspects of performance and shows you
ways to measure and improve the way your applications work, enabling you to get the
most from your code. You’ll learn how to:
• Apply performance best practices and quantify your results
• Use monitoring and analytic tools such as Firebug, YSlow, and WebPagetest
• Track web performance with WebPagetest, PHP, and R
• Create a JavaScript library to benchmark runtime performance
• Use JavaScript to improve aspects of web performance
• Optimize runtime performance in the browser
Pro JavaScript Performance helps you use your existing JavaScript and web develop-
ment skills to improve the speed with which your application loads and responds to
users. It gives you the power to measure your applications’ performance, so that you
can adjust them as times change, and so that you can note the subtle nuances in your
code and define your own best practices by your own observations.
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