Customer Effort Score (CES)
What is a Customer efforts score?
Are your customers happy? Are they satisfied with your service and product? You can measure it with Customer Effort Score - CES. It is a metric, which shows how your clients feel about the effort they have to make to interact with your customer support team and get a solution to their problem.
Choose a suitable question and ask your customers. Then calculate the percentage of Customer Effort Score based on customer answers. There are many ways to measure it, e.g. via emails or questionnaires.