Demo Service Unavailable [CLOSED]

The IPOL demo service is temporarily unavailable from 10:00, Paris time, because of an unexpected maintenance operation.
Service will be resumed as soon as possible.

• 10:00 (Paris time) - network problem detected; the demo service is replaced by an error page
• 12:30 - we are migrating the demo service to a backup server; no archive will be available and the performances may be downgraded
• 13:00 - the network seems to be up again, the demo service is switched back to the production server; the update may take up to 30 minutes to be visible from everywhere
• 15:30 - still experiencing network problems; once again, the demo service is moved to the backup server
• 05:00 (Tuesday) - some demos were not running correctly on the backup server; this should be corrected now
• 17:00 - the network seems to be up and stable; switching back to the production server