Quoted: This is the first in a series of articles describing experiments conducted to learn more about optimizing web page performance. You may be wondering why you’re reading a performance article on the YUI Blog. It turns out that most of web page performance is affected by front-end engineering, that is, the user interface design and development.

Quoted: You may not know it, but almost every site you visit that uses JavaScript is leaking memory. That may sound like an exaggeration, but it's true. Don't believe me?

Quoted: SmartClient is the mature AJAX GUI system for high-performance, high-productivity business web applications.

Quoted: Anyone who has been following the development of AJAX frameworks has heard of ZK, the server-side component GUI framework that allows you to write applications like you would a desktop app. It has become one of the most popular projects on sourceforge and has been nominated for a 2006 Sourceforge.net Community Choice Award.

Quoted: TIBCO's rich internet application (RIA) software, called TIBCO General Interface, leverages the asynchronous communications, javascript, XML and DHTML.