A/B testing
Ecommerce conversion optimisation is the data-based, systematic process of improving your online shop so more visitors become paying customers and each one brings in a higher revenue per user.
Ecommerce conversion optimisation is the data-based process of improving your online shop with a system instead of gut feeling, so that more visitors become paying customers and generate a higher revenue per user (RPU), the metric that drives profit.
It means replacing “gut feeling” with measurable facts so you grow faster, step by step.
Online competition is tougher than ever. Rising ad costs and ever more impatient customers make it harder to turn visitors into profitable purchases. This is where ecommerce conversion optimisation comes in: getting the most out of the traffic you already have.
Raising the conversion rate by just 0.5 percentage points can add six figures to revenue without spending a single extra euro on marketing. Ignore that and you give away profit.
The primary metric for every optimisation is revenue per user (RPU). RPU puts a number on the revenue per visitor, and it does not lie. It combines conversion rate (CR) with average order value (AOV) and margin. Only RPU shows whether a change really puts more money in the till.
An example: a test may lift CR but steer customers towards cheaper products. CR goes up, RPU goes down. That is a loss. If RPU rises, you have a real winner. Read more about why RPU matters in A/B testing here.
Our thinkCONVERSION method brings a system to ecommerce conversion optimisation. It covers four levels: technology, design, usability and information. This framework is proven in practice and delivers results you can measure.
| Level | Levers | Impact on RPU |
|---|---|---|
| Technology | Load time, freedom from errors, tracking accuracy | The base of every optimisation. Slow pages make users leave. Faulty data distorts results. |
| Design | Colour psychology, contrast, visual flow, brand presentation | First impressions count. Trust or distrust forms within milliseconds. A professional design signals credibility. |
| Usability | Navigation, forms, mobile UX, checkout process | No friction. Users need to find what they are looking for without thinking. Every extra click and every unclear step costs conversions. |
| Information | Value proposition, handling objections, product copy, USPs | The highest ROI. Is the offer really convincing? Are the last doubts cleared up? This is where the purchase is decided. |
Mobile conversion rates are often 40% lower than desktop. The problem is not that “mobile users don’t buy”. It is a UX problem in many shops.
Small images, fiddly buttons, forms that don’t adapt to the screen: all of it costs valuable RPU. Mobile optimisation is a must for revenue growth. Even if mobile CR is lower, users spend far more time on mobile than on desktop.
The footer? Many see it as a parking space for the legal notice and terms. Yet there is unused CRO potential here. An A/B test with a tidy, strategically linked footer can raise RPU considerably. Users often find trust signals or specific services here that they missed in the main menu.
Ask yourself: what is the last information a hesitant customer looks for before leaving? Contact, FAQ, shipping information, returns policy. Placed strategically in the footer with clear microcopy, these elements can remove the last doubts. We have seen cases where an optimised footer produced a significant uplift. A test here can pay off quickly.
This scenario is often overlooked, and it shows that ecommerce conversion optimisation happens in every corner of your shop, not just on the most prominent pages. Every touchpoint can raise RPU if you test systematically.
In ecommerce conversion optimisation there are no magic recipes that work for every shop. The market is full of “best practices” that get copied without context or testing. The result: many optimisation attempts fail because they do not fit the specific audience or business model.
The €245.3 million¹ in additional revenue we have generated for clients since 2012 proves it: the final proof for any optimisation only comes from your shop’s *own data*. What brings +20% RPU in shop A can do nothing, or even harm, in shop B. That is why we test. Instead of guessing: an A/B test. Instead of believing: data.
This data-based approach makes sure every investment in ecommerce conversion optimisation has a measurable, positive effect on your RPU. It is the difference between hope and certainty, and the route to an online shop that stays profitable.
The main goal is to raise revenue per user (RPU) systematically. That means generating more revenue per visitor through data-based improvements to your online shop, by improving both the conversion rate and the average order value.
RPU (revenue per user) matters because it shows the actual revenue per visitor directly. Unlike the plain conversion rate, RPU accounts for the value of each transaction. That makes sure optimisations lead to more purchases and more profit. You will find more on RPU in our A/B testing basics guide.
The potential lies in four levels: technology, design, usability and information. Product detail pages, the basket and checkout process and the mobile user experience stand out. Often overlooked areas such as the footer can also have a significant effect.
thinkCONVERSION is our proven method for systematic ecommerce conversion optimisation. It takes a data-driven approach that validates hypotheses with A/B tests and aligns every optimisation with raising revenue per user (RPU), so you get real growth.
No, that is a common and expensive mistake. What works for one shop may not apply in another context. Every hypothesis has to be validated with A/B tests on your own customer data. The motto: test instead of guessing, data instead of belief.
CRO is a continuous process, not a one-off project. A shop should be optimised all the time, because user behaviour, competition and technology keep changing. Ideally, CRO is a fixed part of your company strategy.
Yes, ecommerce conversion optimisation is relevant for shops of every size. Small shops can also grow significantly by consistently optimising RPU. Focus on the pages with the highest revenue potential, so you get valid results even with less traffic and use your resources well.
A/B testing
Ecommerce personalisation means tailoring content, product suggestions and offers to an individual visitor’s behaviour. Not to assumptions, not to demographic pigeonholes.
A/B testing
Google Analytics shows you what happens. Heatmaps show you how it happens.
A/B testing
Everyone sees the colours, but few know what they mean. A red spot on a button is good.
In the Dropoff Analysis you see where your shop loses buyers. Afterwards you know where the first step pays off.