What is a net promoter score (NPS)?

Net promoter score primarily measures how likely someone would be to recommend your company to others on a 1–10 scale.
Using this customer satisfaction metric, you can easily identify how loyal your customers are and divide them into three categories: promoters (9+), passives (7–8), and detractors (0–6).
It ia very important for the company to be in the above 7 category this means that the customers are enjoying thw product and are satisfied with the product. This also act as a tool to analyse your performance and what all changes needa to done to increase the satisfaction level.