IE Developer Toolbar provides several features for deeply exploring and understanding Web pages.

• Explore and modify the document object model (DOM) of a web page.
• Locate and select specific elements on a web page through a variety of techniques.
• Selectively disable Internet Explorer settings.
• View HTML object class names, ID's, and details such as link paths, tab index values, and access keys.
• Outline tables, table cells, images, or selected tags.
• Validate HTML, CSS, WAI, and RSS web feed links.
• Display image dimensions, file sizes, path information, and alternate (ALT) text.
• Immediately resize the browser window to 800x600 or a custom size.
• Selectively clear the browser cache and saved cookies. Choose from all objects or those associated with a given domain.
• Choose direct links to W3C specification references, the Internet Explorer team weblog (blog), and other resources.
• Display a fully featured design ruler to help accurately align objects on your pages.

The Developer Toolbar can be pinned to the Internet Explorer browser window or floated separately.

I think this is going to be a very handy tool for web designers. Because I have seen designers try and create very messy table structures just to achieve the immediate requirements. But when it comes to changes sometimes they to re-do the entire table structure. With this tool they can see how the tables are done in popular sites. and then learn from it. Check the following screenshots which shows an example of displaying the Table Cell lines. Click Here to Download.

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