Customer Effort Score (CES)
Definition
Customer effort score measures how easy or difficult it was for a customer to get their issue resolved. It is typically collected immediately after a service interaction, often asking customers to rate the effort required on a numeric scale.
Unlike satisfaction scores that ask how happy a customer felt, CES focuses specifically on friction. Research consistently shows that reducing effort is one of the strongest predictors of loyalty in service environments — customers who have low-effort experiences are more likely to stay and less likely to contact support again with the same issue.
Example
A telecom provider surveys customers after each support interaction asking how easy it was to resolve their issue. Initial scores are moderate, but the team notices that effort scores are significantly lower for customers who had to contact support more than once for the same problem.
Investigation reveals several friction points:
- the chatbot collects information that agents then ask for again after escalation
- some resolution paths require customers to visit a store in addition to calling
- status updates are not proactively communicated, causing customers to call back for information
The team addresses context loss in handoffs, enables proactive status notifications, and eliminates one unnecessary in-person step. Effort scores for repeat contacts improve significantly within two months.
Why It Matters
This shows up as a strong predictor of loyalty and repeat contact behavior. Customers who experience high effort are more likely to churn and more likely to contact support again, both of which drive cost.
Operationally, CES is valuable because it points directly at friction rather than asking a broader satisfaction question. When it is tracked by interaction type, channel, and workflow stage, it becomes a precise tool for identifying where the customer experience is hardest to navigate.