IE WebDeveloper is an add-on for Microsoft Internet Explorer. The rich web debugging toolset allows you to inspect and edit the live HTML DOM, evaluate expressions and display error messages, log messages, explore source code of webpage and monitor DHTML Event and HTTP Traffic. Integrated Web Debugging Tools. Webpage Inspector-View, traverse, and even dynamically update that HTML DOM directly in the browser window. Analyze the web pages you are interested in and learn their tricks. Script Console-Use the JavaScript console to evaluate expressions, display error messages and locate the source code which causes the error. Logging for web pages, you can log messages from JavaScript in your web page directly to script console. which can be used on same interface as Firebug (console.log, console.debug, and so on...) Source Explorer-View and explore all HTML, CSS and JavaScript source code of  the current webpage. It gives you a centralized view of the functions, variables  used in JavaScript source code. Event Log-Use the event log console to record  the triggered event of WebBrowser, HTMLDocument, HTMLWindow and selected HTML Element. HTTP Monitor-The lite edition of our IE HTTP Analyzer allow you to monitor HTTP/HTTPS traffic, know exactly what and when are sent and received from web application.