Site migration is the process of moving your already established website from one web-hosting service to another. You might do this because the price to renew your current web-hosting service increased dramatically or you're unhappy with your current service. Some services will migrate your site for free, while others will charge you to migrate to their service. You can migrate your site manually, but you could lose traffic as well as content if done improperly. If it's your first time migrating from one service to another, it might be best to let someone else handle it.