Previous user comments seem to have been lower due to 404 errors. The site is now working and although the author continues to develop it, GRIFF is clearly well-conceived and already a useful tool for students of grammar and composition.
The author makes the following comments about GRIFF's optimal use on the home page:
"Ce site fonctionne bien avec Internet Explorer. Les versions recentes (version 4+) de Netscape ne permettent pas d'utiliser toutes les fonctions."
He also has a discussion board and an e-mail address provided for the report of technical difficulties.