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Get Better At Running A/B Tests With Us

With 1-on-1 coaching calls and access to all of our past test results.

See Coaching ResultsWe ran over 200+ experiments
Apply NowWe reply to 100% of applications within a day :)

We'll Guide You On:

What You'll Need To Qualify:

Actual Results From Our Coaching Include:

For Examine.com

Martin Wong learned to avoid hasty decision on thin data

Director or Marketing @ Examine, Toronto, Canada
Starting experience: less than 10 tests
In a fast moving startup environment where the mantra is to fail fast and to move quickly, Jakub and his mentorship process has taught us the value of patience. This patience has allowed our team to make smarter business decisions that have positively affected our internal processes and our bottom line. We are more efficient and more effective as a result of the mentorship. Jakub himself is very methodical, knowledgable, and honest in what he does. The mentorship is highly recommended.

Martin gained the following results:

  • +12% Sales
  • +14% Sales

For TryDesignLab.com

Daniel Shapiro loved the real-time concepting to clarify ideas

Co-Founder @ Designlab, NY, USA
Starting experience: 5+ tests
Working with GoodUI has added tremendous value to our company. Jakub's knowledge and experience with A/B testing & conversion optimization is impressive, and the data-driven ideas he brings from his past case studies are indispensable. His recommendations have proven to be a low-cost, quick-win avenue for growing our online business. If you're not following the best practices from GoodUI, you're doing it wrong!

Daniel gained the following results:

  • +25% Leads
  • +21% Enrollment

For 3Dhubs.com

Rob Draaijer liked the increased testing velocity

Chief Product Officer @ 3D Hubs, Amsterdam, Netherlands
Starting experience: 20+ tests
Using the GoodUI Mentorship we were able to run experiments based on proven patterns, resulting in a significantly higher significance rate for experiments. Furthermore Jakub helped us with increasing our testing velocity so we really got the most learnings out of our testing efforts. We are big fans!

Rob gained the following results:

  • +17% Leads
  • +4.1% Leads
  • +14% Leads

For Vivareal.com.br

Rodrigo Maués learned to prioritize better testing ideas

Senior UX Designer @ VivaReal, São Paulo, Brazil
Starting experience: 5+ tests
Thanks to GoodUI Mentorship our company stepped up a level regarding A/B testing & conversion optimization. Jakub always bring great ideas tailored to your business which are either based on past case studies or fresh new ones. Thanks to his mentorship, I’ve learned about prioritization, how to design better tests and also how to analyze graphs and when to stop a test. I highly recommend his mentorship.

Rodrigo gained the following results:

  • +12% Leads
  • +6.2% Leads
  • +5.2% Leads

Apply Today For CRO Coaching

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We reply to 100% of applications within a day :)