Page Inspector lets you diagnose and troubleshoot your Web projects in Visual Studio. To get started, open a project or web site, and click the HOME button or right-click on a file and select "View in Page Inspector". Some features to explore are:
Inspect mode
Click the Inspect button to easily decompose your page and map elements back to the exact location in source.
CSS mapping
Click a CSS rule in the 'Styles' or 'Trace Styles' tab and find the exact position in the project's source file.
Fast browser refresh
Press Ctrl+Alt+Enter to save all files and refresh the Page Inspector's browser without leaving the editor.