We check this website, now cours-gratuit.com is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is cours-gratuit Down Right Now? - NO! cours-gratuit is up!
If you have problem with access to site cours-gratuit, and domain cours-gratuit.com is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).