A/B Test Mastery Course
Run high-impact, revenue-driving experiments
4h 59min | 22 lessons
Most A/B tests fail. Yours don’t have to.
In this course, you will learn how to:
- Design and execute high-impact tests that deliver measurable growth.
- Identify why most A/B tests fail and exactly how to avoid making common mistakes.
- Prioritize test ideas based on real business impact instead of guesswork.
- Accurately analyze test results to make confident, data-driven decisions.
- Scale successful tests strategically across your entire business.
Trusted by marketers at
Stop guessing. Start winning.
Most companies run tests, but too often they’re just guessing or chasing insignificant wins. If your tests don’t move the revenue needle, you’re wasting time and budget. This course challenges conventional approaches, guiding you to focus on tests that matter, tests that directly grow your bottom line.
Master A/B testing to optimize data and increase conversion rates
Course Length:
4h 59min. 22 lessons.
This isn’t another basic course on changing button colors. You’ll learn to systematically plan, run, and analyze tests that significantly improve conversions, revenue, and customer experience.
Become the expert your team relies on to drive meaningful growth, not random wins.
You’ll learn how to prioritize impactful experiments, create data-driven hypotheses, and properly analyze results. By the end, you’ll be able to execute tests that lead to higher conversions, build a knowledge library from insights, and scale your testing efforts for consistent optimization.
After completing this online course on A/B testing you will be able to:
- Design strategic A/B tests aligned with real business goals.
- Accurately interpreting data to make better, faster decisions.
- Prioritize testing opportunities to maximize ROI and resources.
- Build an organized, scalable testing process your entire team can follow.
- Clearly communicating testing outcomes and demonstrating their business impact.
- Advise on client vs. server-side testing: When to use each and how to transition as you scale.
- Test configuration: Technical setup that prevents flickering and data loss .
- QA Framework: Catch issues before they tank your results.
This course is for you if you are responsible for:
- Planning and executing impactful A/B tests.
- Increasing conversions, revenue, or user engagement through experimentation.
- Leading optimization initiatives or growth strategies.
- Turning data into actionable insights and business improvements.
- Ensuring testing resources deliver measurable business outcomes.
Look no further than CXL, this is the best and most recommended course you will find on A/B Testing.
This course has recently been updates
We updated the visuals on all lessons, updated the instructional design to make lessons a bit more structured and digestible, basically getting it up to 2025 standards. We also added a few additional lessons from Ruben de Boer that fit the roster.
Subscribe now and get access
Course Curriculum
A/B Testing Mastery
History
The Value
When to use A/B tests
Do you have enough data to conduct A/B tests?
Picking KPIs
Research to get insights for your A/B tests
The 6V Conversion Canvas: Value, Versus and Views
The 6V Conversion Canvas: Voice, Validated, and Verified
Hypothesis setting
Prioritize your A/B tests
Design, develop, and QA your A/B test
Additional update
Pre- and Post-Test Considerations
How to calculate your A/B test length
Monitoring your A/B test
A/B test outcomes
Presenting your learnings
Business case calculations
Scaling up testing
Sharing and scaling insights
Bonus: User questions answered
Final Exam: A/B Testing Mastery
Ton is one of the most respected practitioners in the conversion optimization space. He’s a sought-after digital optimization expert (over 20 years of experience), and recognized worldwide as an influential thinker, writer, and public speaker on conversion optimization and A/B testing.
He founded Online Dialogue – one of the global thought leaders in evidence-based growth. With his team, he helps and trains companies throughout the world to be effective at data-informed growth.
This online course
comes with a
Certificate
Completing this course earns you an official CXL A/B Testing Mastery Course Certificate to prove your achievement. CXL is recognized as an industry-leading qualification by employers worldwide, and it is an official qualification on LinkedIn that can be added to your profile.
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Frequently asked questions
Plans
We offer three types of billing lengths to choose from: Monthly, Quarterly, or Annual. The longer the billing length, the cheaper the monthly cost becomes.
Typically annual plans are 40% cheaper per year than paying month-to-month.
Personal or Individual plans are meant for one person where teams have 2 or more people.
A team account has a few extras:
– Invite and manage people learning on your team.
– Create roadmaps for each individual.
– Access team learning engagement reports.
– Assign members to your team as managers to assign content and view reports.
You’ll get:
– Access to 90+ online courses.
– Earn certificates and add them to LinkedIn.
– Thousands of playbooks and resources.
– All minidegrees
– Roadmapping and progress tracking
– Premium Support
Yes. You can switch between different billing lengths at any time (Ex: Switch from a Monthly Plan to Annual).
If you’d like to switch from a individual plan to a team plan (or vice versa), please reach out to customer success via live chat.
Billing
Most major credit cards and Paypal are accepted. If you need an invoice to pay by wire, please message our customer success team via chat for options.
All of our products are priced in USD currency. In order to make our products more affordable, we have established a system where you can pay in your local currency using a special metric that adjusts the price you pay according to the purchasing power of your country.
One of CXL’s company policies is that we don’t discount. Our focus is on the product – providing the best, highest quality content with our courses.
The listed price on the site shows the best price – you can buy with confidence.
We offer pricing based on your local currency, you’ll see this reflected on the pricing and checkout pages.
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