€12.4 million in additional revenue through A/B testing!
Watch for free now
Client: parfumdreams
Duration: 45 minutes
Industry: E-commerce
Topic: Conversion Optimization
No larger marketing budget, no new campaigns, no additional traffic. The revenue came from a different understanding: knowing why customers really buy and why they don't. You can see how parfumdreams applied this understanding in over 210 A/B tests in the recording, complete with real results and the psychology behind them.
A new customer costs money upfront. With a 100-euro shopping cart, about 25 euros in contribution margin remain after logistics and cost of goods sold. The cost of acquiring a new customer is often 80 euros. That’s a loss of 55 euros on the first purchase. You only break even around the third purchase, and the fourth purchase is the first real profit.
That wouldn't be a problem if customer acquisition costs remained stable. But they haven't. Since 2023, they have risen by more than 40 percent. This means every additional euro spent on marketing yields less today than it did three years ago, and the path to break-even is getting longer, not shorter. The obvious reaction is to buy even more traffic. The problem with that:
You are just digging yourself deeper into the very hole you are trying to climb out of.
The traffic to your site is already paid for. Most companies stop at testing button colors. The real leverage lies elsewhere: understanding why people buy, and why they don't.
Both together are consumer psychology, not coincidence. That is exactly what distinguishes a company that has bought a tool from one that has built a system. You will receive a compact summary of what that looked like at parfumdreams—every test, every hypothesis, and every result—delivered straight to your inbox.
Not every test was a winner. Of the more than 210 A/B tests conducted since 2019, the success rate was 46 percent, not 100. That is the realistic value of a serious testing program. The 8-figure increase in revenue didn't come from a single lucky strike, but from consistency over 7 years.
No overwhelming data dumps—just bite-sized portions delivered straight to your inbox at your own pace. Here is what you get:
Dennis Herzberger is Senior Manager of Marketing & Revenue Growth at LEAP. With over 15 years of experience in CRO, experimentation, and funnel optimization, he has helped companies in e-commerce, insurance, fashion, and banking systematically unlock conversion potential. He focuses on measures that deliver measurable results rather than just sounding strategic.
