Customer Effort Score

E-commerce is all about making customer experiences as smooth and pleasant as possible. One tool that helps measure exactly that is the Customer Effort Score. In this article, you'll learn what the CES is, why it matters so much in e-commerce and customer support and how you can optimize it for your company.

What is the Customer Effort Score?

The Customer Effort Score (CES) is a metric that measures how much effort a customer has to make to complete an interaction with your company. CES is usually determined with a simple survey sent after a specific action – such as a purchase or a support request. The question is typically: "How easy was it to solve your problem?" The answer is given on a scale from "very easy" to "very difficult".

Unlike other metrics such as the Net Promoter Score (NPS), which measures loyalty, or the Customer Satisfaction Score (CSAT), which assesses overall satisfaction, CES focuses exclusively on the effort the customer has to make. And that's crucial, because studies show that customers who need little effort to solve a problem are more likely to return.

Why is CES so important in e-commerce?

In e-commerce, the user experience is key. A seamless, effortless purchase leads to satisfied customers who come back and recommend your company. Here are some reasons why CES matters so much for your online store's success:

  1. Prevents abandoned purchases: If the customer has to make too much effort – for example due to long loading times, confusing navigation or complicated payment processes – the likelihood of abandoning the purchase rises. A low CES helps you identify and eliminate these friction points.
  2. Improving customer service: High effort when customer service solves problems can hurt customer loyalty. When it's easy for customers to get help, they stay loyal to your company and recommend it.
  3. Increasing customer loyalty: Customers who experience low effort tend to be more loyal. They don't feel they constantly have to fight to resolve their concerns or problems, which leads to better customer relationships in the long run.

How is CES measured?

Measuring the Customer Effort Score is very simple yet highly effective. Here's a typical process:

  1. Choosing the touchpoint: You decide at which point in the customer process CES should be collected. This could be after a purchase, after a conversation with customer support or after returning a product.
  2. Designing the CES survey: The standard question is: "How easy was it to solve your problem?" Customers answer on a scale, e.g. from 1 (very easy) to 7 (very difficult).
  3. Collecting the data: Once the surveys have been sent, you collect the answers and calculate the average score. The lower the value, the better, as it indicates low effort.
  4. Analysis and next steps: The results help you understand which aspects of the customer process need improvement. If customers have trouble completing an order, that points to problems in the ordering process that need to be solved.

How do you optimize the Customer Effort Score in e-commerce?

A low CES means you make it easy for customers to interact with your company. To achieve this, you can use the following strategies:

  • Automating processes: Many customer problems can be solved with automation solutions such as chatbots or FAQ databases. These reduce effort for the customer by providing answers quickly and easily.
  • Improving usability: Optimizing your online store, for example with intuitive navigation, simple payment options and fast loading times, lowers the effort for the customer and creates a better experience.
  • Training customer support: Well-trained customer support can solve problems efficiently and make the path to a solution easier for the customer. That means clear communication, fast answers and proactive problem solving.

Challenges with CES

Although CES is a valuable tool in e-commerce, there are also some challenges. The score only measures perceived effort in relation to a specific interaction and doesn't give a comprehensive overview of the entire customer experience. In addition, a low CES may indicate a smooth interaction but not necessarily an emotional bond with the company.

Conclusion: why CES is the key to success

The Customer Effort Score is a powerful tool for finding out how easy it is for your customers to interact with your company. Especially in e-commerce, where convenience and efficiency play a big role, a low CES can lead to higher conversion rates and better customer loyalty. Companies that take their CES seriously create a smoother experience for their customers – and that pays off in the long run.

With a simple questionnaire, you can gain valuable insights and make sure your customers need the least possible effort to interact with your company.

Felix Stelzer
CEO of melibo

About the author

Felix Stelzer

Felix knows the AI market and automation inside out.

Visionary at the intersection of AI and customer service

Felix spots early which technologies will change the service market. He thinks in systems, not trends – and builds solutions that scale long-term instead of shining short-term.

Technical mind with product DNA

With an IT background, he turns complex AI and automation concepts into robust, user-centric products. His focus: building technology that solves real problems and works reliably in practice.

Passionate cyclist

When Felix isn't working on AI architectures or product strategy, you'll usually find him on two wheels. Long rides, steep climbs, new routes – for him, cycling is the perfect way to clear his head and come up with new ideas.