Font Stack Tester
With the popularity of using embedded fonts on the web, it is now becoming more and more important to use font stacks so that web browsers get the best typographical experience, whatever their capabilities.
Special thanks to Stefan Müssig (http://github.com/schotest) for contributing the bookmarket code.
Any comments and assistance gratefully received.
How to Install
Copy the contents of bookmarklet.js into your clipboard. Create a new bookmark on your web browser, and paste the clipboard contents into the "location" section.
Now you can visit any web page, and activate Font Stack Tester on it by choosing your newly-created bookmark.