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How to Measure Customer Sentiment | NPS, CSAT & CES | Feefo

Written by Robin Lewis | Mar 3, 2026 3:07:04 PM

Our latest Masterclass covered the importance of measuring customer sentiment. Customer sentiment measurement reveals why customers feel the way they do about your business, helping you predict churn, improve service quality, and make data-driven decisions that drive growth.

Measuring customer sentiment means tracking more than star ratings.

In this blog, we look at the leading metrics used by businesses to measure customer sentiment, and why the key to avoiding feedback fatigue is matching what you measure to your business priorities.

Key Takeaways

  • Each metric serves a different business goal
  • NPS measures long-term loyalty and predicts word-of-mouth growth
  • CSAT tracks short-term satisfaction with specific interactions
  • CES reveals operational efficiency and customer effort

What is customer sentiment?

Customer sentiment is the emotional tone behind customer feedback. While a star rating tells you what customers think, sentiment analysis tells you why they think it, and – with the right platform – what you should do about it.

Your score is useful, but one-dimensional. It tells you how a specific experience at a specific time went. Sentiment reveals underlying feeling, giving you the information to enhance your service feeling and address customer dissatisfaction before it scales.

Consider the ‘4-star trap’. A customer gives you 4 stars, writing:

"Product is great, but no thanks to the delivery driver who threw it over the fence."

The score says the experience was a success, but the sentiment reveals your logistics partner could be doing better.

Zendesk data shows that more than half of consumers will switch to a competitor after only one bad experience, so catching these operational issues early protects customer relationships.

The three core sentiment metrics

What is NPS (Net Promoter Score)?

NPS asks "How likely are you to recommend us to a friend or colleague?" on a 0-10 scale.

It measures long-term loyalty and your potential for growth through word-of-mouth. The metric segments customers into Promoters (9-10) who drive referrals, Passives (7-8) who are satisfied but not loyal, and Detractors (0-6) who risk damaging your reputation.

Use NPS for quarterly relationship health checks to track loyalty trends.

What is CSAT (Customer Satisfaction Score)?

CSAT asks "How satisfied were you with your delivery experience?" using a 1-5 scale.

It measures short-term happiness with specific interactions, helping you identify friction points in your customer journey.

Track CSAT after key moments like delivery, checkout, or support interactions to pinpoint where experiences fall short and fix immediate issues.

What is CES (Customer Effort Score)?

CES asks "How easy was it to solve your issue?" on a 1-7 scale.

It measures operational efficiency and how much work the customer had to do. Research shows that in service interactions; ease predicts loyalty better than delight. Customers would rather you be easy to deal with than delightful but difficult.

Use CES after support tickets or service interactions.

Choosing the right metric for your goal

Different business questions require different metrics. Predicting churn requires NPS to identify at-risk customers. Improving service quality means tracking CSAT across touchpoints. Reducing customer effort calls for measuring CES in support interactions. Understanding product issues works best when you combine CSAT with review sentiment analysis.

Getting started with sentiment measurement

Start simple, by choosing one metric aligned to your immediate goal. Ask 3-5 focused questions maximum and review results weekly to spot trends. Connect metrics to business teams so "delivery" sentiment goes to operations and "app crashes" go to your tech team. Sentiment measurement isn't about collecting more data – it's about asking better questions that lead to concrete action.

Read the complete guide to measuring customer sentiment, watch the full masterclass, or book a demo to understand how Feefo could help you effectively measure customer sentiment.