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How service design reduces friction, builds trust and increases conversion in e-shops, with data and a practical guide.
Design Week’s article on the relationship between the rise of Reform UK and the failure of public service design raises a question that goes beyond politics: what happens when people feel that a system doesn’t listen to them, doesn’t serve them and doesn’t respect their time? For an e-shop owner, the answer is commercially crucial. When a citizen abandons a public service, resentment builds. When a customer abandons an online shop, turnover, trust and potential lifetime value are lost. Service design is not an aesthetic exercise or just another design buzzword. It is the way in which all interactions between a person and an organisation are designed, from the first search to the completion of a need.
In e-commerce, the same logic translates into ecommerce UX, clear user journeys, sound information architecture, fast product search, transparent pricing, simple checkout, and support that works when the customer needs it. The key observation of Design Week is that a bad experience in public services is not just a technical problem; it’s a relationship problem. This is exactly what applies to e-shops. A slow site, an unclear return policy, or a checkout that requires unnecessary steps are not “minorities.” They are signals to the customer that the business has not designed the experience around them.
Service design becomes even more important in markets where products are similar and competitors are just a click away. Whether you sell shoes, cosmetics, tools, furniture or B2B consumables, customers rarely evaluate just the price. They evaluate the whole: how easily they found what they wanted, whether they trusted the brand, whether they felt secure in paying, whether they understood when they would receive it and whether they had options in case of an error. This is where UX design, customer experience and conversion rate optimization come together.
Failure in public service design often begins when services are organized based on the internal needs of the organization and not based on the user's life. Something similar happens in e-shops when the menu is built based on the warehouse and not the customer's language, when categories copy the ERP, when shipping terms are hidden in the footer or when the checkout serves more the accounting process than the purchase. An e-shop is not just a product catalog. It is a digital service for purchasing, payment, delivery, information and support.
To put it in practical terms: if a customer lands on a product page from Google, they don’t necessarily start from your homepage. Their user journey might include organic search, price comparison, reading reviews, checking availability, wondering about size or compatibility, adding to cart, and finally wondering about shipping. Service design looks at this journey holistically. It doesn’t just ask “is the UI beautiful?” It asks “can a person achieve their goal without uncertainty?”.
The difference is significant. A beautiful e-shop can have low conversion if it does not quickly respond to users“ real concerns. In contrast, a simple environment with a clean structure, convincing information, trust signals, visible costs and frictionless checkout can perform much better. Digital service design helps the owner see the store not as ”pages”, but as a system of decisions. Each step either reduces or increases friction.
Available data from international surveys shows that customer experience is not a secondary factor. According to Salesforce, 881% of customers state that the experience a company provides is as important as its products or services. PwC has recorded that 731% of customers consider experience an important factor in the purchasing decision, while 321% of customers state that they would leave a brand they love after a bad experience. For an e-shop, these percentages are not theoretical. This is why customer experience should be treated as a development infrastructure and not as a cost.
As shown in the graph below, the data converges on one conclusion: the quality of the experience directly affects purchasing intention, brand relationship, and tolerance for errors.
Sources: Salesforce State of the Connected Customer, PwC Future of Customer Experience
Speed is another area where service design is linked to tangible financial results. Deloitte’s “Milliseconds Make Millions” study for Google found that a 0.1-second improvement in mobile site loading speed can increase conversions on retail sites by 8.4% and average order value by 9.2%. For the e-shop owner, this means that technical performance is not just a development issue. It’s part of the customer experience. If the customer waits, they doubt. If they doubt, they compare. If they compare, they may leave.
The graph below shows the impact of a very small speed improvement on two business metrics that are of interest to every e-commerce owner.
Source: Deloitte & Google, Milliseconds Make Millions
If there’s one place where poor service design becomes immediately apparent, it’s at checkout. The Baymard Institute estimates the average cart abandonment rate at 70.19%. In other words, about seven out of ten carts don’t result in a purchase. That doesn’t mean that every abandonment can be avoided, because some users do research or comparison shopping. But it does mean that checkout optimization is one of the most ripe areas for increasing revenue without increasing your advertising budget.
The doughnut below captures the basic ratio between abandoned and completed carts, based on the average published by Baymard.
Source: Baymard Institute Cart Abandonment Rate Statistics
The reasons for abandonment reveal how practical service design is. According to Baymard, the most common causes include high overhead costs, mandatory account creation, lack of trust in payment, slow delivery, and complex checkout. These are not isolated “bugs.” They are failures in the design of the shopping service. If the customer discovers shipping is slow, the problem is transparency. If they have to create an account before paying, the problem is the business prioritizing the user. If they don’t trust the payment, the problem is insufficient trust signals.
The chart below shows the main reasons for checkout abandonment, ranked from largest to smallest.
Source: Baymard Institute, Reasons for Cart Abandonment
Service design can be implemented without stopping the commercial operation of the store. The first step is to map the customer journey. Record the basic scenarios: new customer coming from Google, repeat customer from email, user comparing prices, customer buying from mobile, customer needing support before purchase. For each scenario, note the touchpoints: landing page, search, filters, product page, cart, checkout, confirmation email, shipping, returns and customer support.
The second step is user research. You don’t need to start with complex studies. Talk to 5 to 10 real customers, ask them to complete a purchase while sharing their screen, and notice where they hesitate. Fill in the picture with analytics data: which pages have a high exit rate, which checkout step loses the most users, which searches return no results, which products have high traffic but low additions to cart. Usability testing is valuable precisely because it reveals discrepancies between what the team believes and what the user experiences.
The third step is to prioritize the barriers based on impact. Don’t try to fix everything at once. Start with the areas that are most directly related to revenue: mobile speed, product page, availability, shipping costs, payment methods, returns, and checkout. If you’re on a tight budget, prioritize changes that reduce uncertainty: visible shipping before checkout, guest checkout, clear return policy, secure payment badges, real reviews, product photos that answer questions, and microtext that explains what’s happening at each step.
The fourth step is prototype and test. Before investing in a major redesign, design an improved flow for a critical scenario. For example, create a new product page with clearer information hierarchy, a clear delivery estimate, size comparison, FAQ, and better trust signals. Test it with A/B testing where there is sufficient traffic, or moderated usability testing if traffic is lower. Conversion rate optimization is not a series of random hacks. It is a disciplined process of hypothesising, testing, measuring, and learning.
The fifth step is to connect frontstage and backstage. In service design, frontstage is what the customer sees and backstage is what happens behind the experience: warehouse, ERP, courier, service, returns, email automations. Many e-shops invest in the front-end but ignore the points where the promise is broken. If the site says “immediate shipping” but the warehouse does not update availability correctly, the problem will be seen as a bad experience. If support does not see the order history, the customer repeats information and loses trust. The omnichannel experience is not built with more channels, but with unified information and consistent service.
The big trap for e-shop owners is to see design as a final “dress” and not as a business method. Service design shifts the conversation from “looking more modern” to “working better for the customer and the business”. When you reduce friction points, you don’t just improve conversion. You reduce support tickets, reduce returns resulting from bad information, increase repeat purchases and make paid traffic more efficient. If you pay for visitors through Google Ads or social media, every obstacle on the site acts as a budget leak.
The lesson from the failure of public services is that people don't evaluate systems based on their intentions. They evaluate them based on whether they helped them in their time of need. The same is true in e-commerce. The customer doesn't care if the ERP makes it difficult to show availability or if the return policy was written by a legal department. They care about knowing what they're buying, how much they'll pay, when they'll receive it, and what happens if something goes wrong.
For TWO DOTS, the essence lies in the connection of strategy, UX design, development and measurable improvement. An e-shop that implements service design gains a better picture of where it is losing customers, what points it needs to simplify and which investments will have the greatest return. This is not a one-time change, but a way of operating: I listen, I map, I test, I measure, I improve. In a market where attention is expensive and trust is difficult to build, this way of thinking can become the most practical competitive advantage of an e-shop.
Sources
Service design is about designing all interactions between a customer and a business, from search to purchase. In e-shops, it influences UX, information architecture, and checkout, enhancing customer experience and trust.
Key issues include high additional costs, mandatory account creation, lack of trust in payment, and complex checkout. These friction points can lead to cart abandonment and lost sales.
Site speed is critical to the customer experience. Even a 0.1-second improvement in loading speed can increase conversions and average order value, reducing the likelihood of abandonment.
Customer journey mapping helps understand the paths customers take, highlighting touchpoints and opportunities for improvement. This allows you to tailor the experience to better meet user needs.
Transparency in charges builds customer trust and reduces the likelihood of cart abandonment. Customers want to know the total cost before they proceed with payment, which is an important part of service design.
Service design improves the customer experience, reducing friction and building trust. In this way, e-shops can increase repeat purchases and better exploit paid traffic, creating a strong competitive advantage.
