Everything that moves your growth forward
Know-how for conversion optimization and customer experience
Four in-depth guides on conversion optimization, A/B testing, personalization, and choosing a CRO agency. Plus workshops for your team, our growth conference, and case studies from our projects.
Overview of our categories
Beyond the guides, you can build expertise in three more ways: workshops for your team, the growth community, and case studies from our projects.
Case studies & research
Implementing personalization successfully
Building and empowering teams
Driving design & innovation
Workshops & training
In-house workshops for measurable growth
Deepen your team's knowledge of A/B testing, personalization, and experimentation with customized training.

Custom workshop
Custom workshop for your team
In-house workshops on a range of topics:
Our experienced experts, who are actively involved in our client projects, offer workshops and training on a range of topics. We tailor them to your needs so the content works for your requirements.
Community & network
Become part of the growth & customer experience community
Connect with like-minded people, exchange best practices, and get exclusive insights into experimentation and conversion optimization.

Conference
growth minded SUPERHEROES
Europe's #1 Growth Conference
The growth conference with more than 800 attendees at the Alte Oper Frankfurt. A full day of experts and speakers in TED Talk style. Maximum inspiration for your day-to-day work.
Case studies
How companies implement CRO, personalization & innovation
Learn from projects with computeruniverse, freenet, Haufe, Görtz & Co. how data-driven optimization leads to better results and more growth.
D2CRapid Growth Engine
+54%
Conversion rate in three months
Three experiments per week, the first after 13 days.
AI delivers customer understanding and tests in days instead of weeks. 59% of experiments win; the benchmark is 20 to 30%.
ElectronicsPersonalization
+18.2%
more revenue
Recognizing customer types before anyone logs in.
From 200 data points, a profile of each visitor emerges in real time. The messaging adapts long before checkout begins.
FashionPersonalization
> +10% RPV
in 4 weeks
From tool to first personalization in four weeks.
A few clearly justified use cases instead of hundreds of possibilities. All three first experiences beat the control group.
Conversion optimization
+€44.88 million
Net revenue in three years
Customers preferred buying in the store. That became a test.
A Motivation Lab showed why customers hesitate in the shop. From that grew a program of 50 to 60 experiments a year.
TelecommunicationsConversion optimization
+30%
more orders, cumulative
Two thirds of all tests successful, with a success guarantee.
A proof of concept with uplift targets agreed in advance proved the value of experimentation. Today freenet runs the program itself.
D2CCustomer centricity
7 jobs
Purchase motives built into the product
Seven purchase motives that reached all the way into the packaging.
Ten jobs-to-be-done interviews revealed what turns first-time buyers into repeat customers. air up used the results in shop, product, and service.
Sneakers & streetwearCustomer retention & loyalty
+22%
more contribution margin
More orders don't automatically mean more profit.
We followed A/B tests all the way into the merchandise management system. The variant with 43% more orders still delivered 22% more contribution margin after returns.
Customer centricity
+15.3%
Revenue per visitor
The same page won in Germany and lost in Switzerland.
One template for 15 country shops hid opposing effects. A dedicated concept for Switzerland delivered 15.3% more revenue per visitor there.
B2B softwareCustomer centricity
+€5.2 million
Revenue
Personas that get used in daily work instead of sitting in a folder.
Personas and jobs to be done led to 33 tests with a 52% success rate. That made customer centricity part of the daily work.
EnergyPersonalization
4 streams
along the customer journey
Electricity is the same for everyone. Customers are not.
A vision of a personal customer journey became three customer types, four prioritized streams, and a five-phase roadmap.
Conversion optimization
+€22.8 million
Value contribution per year
Growth in a saturated market, without more ad budget.
Our experts supplemented the in-house team. Today, every important decision is tested first.
ShoesRedesign validation
+16.2%
Uplift after the redesign
A redesign that brings in revenue instead of costing it.
Every major change was checked in an A/B test before going live. That turned the risk of a relaunch into a measurable gain.
Equestrian sportsRapid Growth Engine
1,493%
ROI in two years
Four times as many tests, because small sprints learn faster.
As an external growth team, we increased the speed and hit rate of testing. Out of that came our model for fast testing in D2C.
School suppliesPersonalization & MVP
+32%
higher conversion rate
An MVP in two weeks instead of a major project.
Concept and shop module were each built in one week. After five weeks of testing, the benefit of the new personalization was proven.
Personalization
3 segments
per channel as a starting point
Personalization across all channels with one shared plan.
Each channel got its own roadmap with prioritized use cases. Dependencies between channels are now visible and plannable.
Online marketing
+6.7%
Purchase interest from the stronger motif
Test in a panel first, then run the campaign.
Motifs and messages of a large image campaign were compared with the target audience in advance, including across markets.
Jewelry D2CConversion optimization
> €4.5 million
Additional revenue 2017 to 2019
More orders, because the shop removes doubt.
A MotivationLab showed what makes jewelry buyers uneasy online. The strongest levers came from consumer psychology and were proven in A/B tests.
