Nicholas Zakas – High Performance JavaScript

Web Directions USA 2010, Loews Atlanta Hotel, September 23 11.45am.

Presentation slides

Session description

Ever wonder why the page appears frozen or why you get a dialog saying, “this script is taking too long”? Inside of the browser, JavaScript and the page’s UI are very intertwined, which means they can affect each other and, in turn, affect overall page performance. Ensuring the fastest execution time of JavaScript code isn’t about geek cred, it’s about ensuring that the user experience is as fast and responsive as possible. In a world where an extra second can cost you a visitor, sluggishness due to poor JavaScript code is a big problem. In this talk, you’ll learn what’s going on inside the browser that can slow JavaScript down and how that can end up creating a “slow page”. You’ll also learn how to overcome the conspiracy against your code by eliminating performance bottlenecks.

About Nicholas Zakas

Nicholas Zakas PortraitNicholas C. Zakas is principal front-end engineer for the Yahoo! homepage, a contributor to YUI, and an author. Nicholas has written Professional JavaScript for Web Developers, Professional Ajax, and High Performance JavaScript. He has also contributed a chapter to Steve Souders’ Even Faster Web Sites. Nicholas posts regularly at his blog as well as on YUI Blog.

Follow Nicholas on Twitter: @slicknet

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