We are trying to schedule a maintenance window sometime soon. We are working on nailing down the time, we will try to have this banner updated with a specific time at least an hour in advance. The site will be turned off for a time while we do some necessary maintenance work--we expect it could take a few hours and then we believe the site will return to the normal speed rather than the slower state it has been in since last week.
We recommend not entering any data when that time is near. When the site comes back up, we recommend not entering any data until this banner is gone.