Data-Driven Decision MakingFree course with certificate
After this course you steer your shop with five metrics instead of gut feeling.
- 7 lessons
- 175 min
- 0 €
No credit card, no subscription.
- Steer by five metrics
- Audit tracking
- Build a 90-day plan
What you will be able to do after this course
- Steer your shop with five core metrics
- Check whether GA4 events and tracking carry weight
- Read dashboards with uplift and confidence intervals
- Verify your numbers with the five-step data audit
- Build a fixed weekly rhythm for experiments
- Pour audits, hypotheses and priorities into a 90-day plan
Who this course is for
For you if
- You work with an online shop or its marketing and want measurable results.
- You want to work on conversion systematically instead of copying individual tactics.
Not for you if
- You are looking for a how-to for a single tool.
7 lessons, 175 minutes
Every lesson has its real duration and ends with a quiz.GA4 for Shop Owners
Reading Dashboards
From Data to Decisions
The Data Audit
Building Experimentation Velocity
Data-Driven Action Plan
After all quizzes and the final exam you receive the certificate as a PDF.
Jörg Dennis Krüger

Founder, JDKRUEGER&CO · Der Conversion Hacker®
Jörg Dennis Krüger has been optimising online shops for revenue since 2006. This course contains the approach his team tests and measures with for clients every day.
- EUR 210m+Additional revenue for clients since 2012
- since 2006in conversion optimisation
- Stevie® Goldmultiple award winner
From the right metrics to a data-backed 90-day plan
Was der Kurs behandelt
Identify the right metrics, use GA4 as a shop owner, read dashboards correctly, prioritize with ICE and PXL, audit your tracking, build a steady experimentation cadence, and bring it all together in a well-structured Data-Driven Action Plan.
Frequently asked questions
What does the course cost?
Nothing. Course, quizzes and certificate are free.
How long does the course take?
7 lessons totalling 175 minutes. You learn at your own pace and resume where you left off.
Do I need prior knowledge?
Basic online-marketing knowledge is enough.
How do I get the certificate?
Every lesson ends with a quiz. Pass all quizzes and the final exam to receive the "Data-Driven Decision Making" certificate as a PDF.
Who is behind the Academy?
Jörg Dennis Krüger and JDKRUEGER&CO. The Academy contains the approach the team has used to optimise online shops for years.
Does the course apply to my shop system?
The principles apply to any shop system. You work with page types and metrics every shop has.
Lesson 1 takes 25 minutes.
Afterwards every decision rests on numbers.
