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Analyze Your Web Site/Blog(s) Using Compat Inspector for IE10

The Internert Explorer team released a new “Compat Inspector” for Internet Explorer 10 to help you quickly identify changes made by if IE platform that may affect your site. “Whether you’re preparing for IE10 or still updating for IE9, run Compat Inspector on any page experiencing problems. Then watch for messages explaining potential issues and steps you can take to resolve them,” Tony Ross, Program Manager, IE said.

Compat Inspector now available for IE10

“Compat Inspector is a JavaScript-based testing tool that analyzes your site and reports patterns of interaction which cause issues in recent modes. This allows you to identify problems quickly without memorizing a bunch of documentation or searching through the entirety of your site’s code,” Ross explained.

Adding, he writes, “We developed Compat Inspector during the course of IE9 to speed up the process of recognizing common issues across different sites and have now updated it for IE10.”

He further writes, “Compat Inspector is designed to help sites migrating to IE9 or IE10 mode–not those running in legacy modes.” “You can test sites that run in legacy modes by selecting a more recent mode via the F12 developer tools. Just press F12 to open the tools, click on “Document Mode” in the menu bar, then select “Standards”,” explained Ross.

You may need to refer to more detailed documentation such as the IE9 Compatibility Cookbook or the IE10 Developer Guide for some issues. “The best pattern is to use Compat Inspector first, then fall back to the documentation if nothing is found,” advises Ross.

Ross explains that to run Compat Inspector just add the following JavaScript before all other scripts on each page you want to test.” This will place a status widget in the upper right hand corner of the page. Click the widget to get more information.

He notes, “You can streamline this process by using Fiddler to automatically inject Compat Inspector on pages you visit. Just add this snippet to your Fiddler Script to get up and running. This configuration also automatically inspects all sub-frames in a page. Once the snippet is in place you can toggle Compat Inspector on and off from Fiddler’s “Rules” menu.”

Go hands-on to get a feel for the improvements using the Compat Inspector Test Drive. Then visit the Compat Inspector User Guide to learn more about how to test your own sites.

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