OpenAdvocate WriteClearly is a web tool that helps authors write more readable website content. WriteClearly analyzes the reading grade level of a web page and offers suggestions for improving readability. WriteClearly is a free “bookmarklet” that runs in your web browser. Simply drag-and-drop the bookmarklet to your browser’s bookmarks bar. Nothing to install or update.
Get WriteClearly at http://openadvocate.org/writeclearly