Doormats go a long way in protecting the carpet from dirt and debris that can get tracked in from the outside. Not only should you have one on the outside of the doorway, but place one inside as well. There are a wide variety of designs for doormats and you can usually find one that will best fit your décor. But you need to also look at the functionality of the mat, make sure it is going to remove the dirt and debris from people’s shoes at they enter your house. By stopping the dirt at the door you can help keep the carpet clean and free of dirt stains.