Search Who Search Engine Spider Simulator - A fast, great little tool for quick page reviews and analysis. Provides page sizes, meta information, key phrase densities, spiderable URL's, word counts and more.

Ranks.nl Search Engine Spider Simulator - Highly customizable spider simulator. Provides a much more detailed review of your page. Including link text, multiple key phrase densities, alt text and more.

Summit Search Engine Spider Simulator - Nice tool, extremely well layed out. Provides the user with a scoring system to aid in outlining areas for improvement.

1-Hit.com Search Engine Spider Simulator - Quick and easy to use spider that provides a nice summary of your page as well as verifying your internal links.

Lynx Viewer Text Browser Simulator - Allows patrons to view what a web page would look like through a text based browser.