ARIA Landmark Inspector Bookmakrlet
This bookmarklet identifies any ARIA landmarks you have on the page and also any aria-label or aria-labelledby attributes associated with them. It highlights the landmarks on the page and also displays the aria-label or aria-labelledby contents.
This tool exists as a bookmarklet at http://accessibility.oit.ncsu.edu/tools/aria-landmark-inspector/ but it has been deprecated since it's functionality has been incorporated into the Web Evaluation Tools at
http://accessibility.oit.ncsu.edu/tools/web-evaluation-tools/