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Jiffy Overview Jiffy is an end-to-end real-world web page instrumentation and measurement suite. The first beta was released on 6/23/2008, as announced at O'Reilly Velocity 2008 . Here's a a copy of the slides and here's the video . An ingestor (written in Perl) which runs on the Apache server and posts logs to a database through DBI. Documentation here , plus a SampleJiffyLog .
jiffy-web - Project Hosting on Google Code
Measuring Web application response time: Meet the client - JavaWorld
Capturing the overall server-side execution time of a Web request is easy to do in a Java EE application. You might write a Filter (implementing javax.servlet.Filter ) to capture the request before it hits the actual Web component -- before it reaches a servlet or a JSP , for instance. When the request reaches the Filter , you store the current time; when the Filter handle returns after executing the doFilter() method, you store the current time again.
node.js
var net = require ( 'net' ); var server = net . createServer ( function ( socket ) { socket . write ( 'Echo server \r\n ' ); socket . pipe ( socket ); } ); server . listen ( 1337 , '127.0.0.1' ); A guided introduction to Node
Since the very beginning, we always have considered performance as the basis for our development. The final results are amazing, bringing yet another unique feature that you'll find only with CKEditor.
CKEditor - WYSIWYG Text and HTML Editor for the Web
Google Web Toolkit (GWT) is a development toolkit for building and optimizing complex browser-based applications. GWT is used by many products at Google, including Google AdWords and Orkut . It's open source, completely free, and used by thousands of developers around the world.
Web Toolkit - Google Code
Ajax performance analysis
Performance is one of the primary motivations for enhancing applications with Ajax. Ajax can improve response time by communicating with the server without full-page requests. By reducing response time, Ajax can provide a significantly better user experience. However, analyzing and improving the performance of Ajax applications requires a different toolset than traditional Web applications.