A daycare has to have a Clean, sterile area in which to change diapers, cleaner to sterilize after each change. Also, fenced in yards, locks on doors, secure window screens, no cleaners, medicines, toxic plants within reach of the child. The parent should encourage the children to talk about their day and be enthusiastic on any new task, project etc. View the interaction between your child and the other children as well as between your child and the provider. Remember that if your child feels safe and loved, there is nothing wrong with leaving your child in daycare.
Most people do have to work, which means finding reliable child care.