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Become a master at A/B testing

5h 10min | 19 lessons

In this course, you will learn how to:

  • Create a long-term A/B testing strategy for sustained optimization.
  • Calculate where to run experiments for maximum impact.
  • Formulate hypotheses based on data and psychology for precise testing.
  • Design, execute, and analyze A/B tests effectively to gather insights.
  • Build a knowledge library from test results to scale experimentation efforts.

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English subtitles Certificate included
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Some companies who train their teams at CXL

Optimize your testing strategy for data-driven insights and higher conversions

Many teams struggle with running A/B tests that don’t deliver actionable insights, wasting valuable resources. This course equips you with the skills to design and execute tests that drive real impact. You’ll learn how to prioritize where to run tests, build data-driven hypotheses, and analyze results effectively. By mastering these techniques, you’ll optimize your site’s performance, boost conversions, and gain the confidence to scale experimentation across your business.

Master A/B testing to optimize data and increase conversion rates

Course Length:
5h 10min. 19 lessons.

This course equips you with advanced A/B testing strategies to enhance your experimentation process and outcomes. 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 across your organization for consistent optimization.

After completing this online course on Course Topic
you will be able to assist your team and company with:

  • Developing a strategic A/B testing framework.
  • Identifying high-impact areas for testing.
  • Crafting data-driven hypotheses.
  • Conducting and analyzing experiments effectively.
  • Scaling experimentation efforts for long-term growth.

This course is for you if you are responsible for:

  • Conversion rate optimization (CRO).
  • Digital marketing strategies.
  • User experience and performance.
  • Data analysis and experimentation.
  • Product optimization and development.

Subscribe now and get access

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Course Curriculum

A/B testing mastery

1 History

Learn about the history of A/B testing.

2 The value

What additional value does effectiveness offer on top of efficiency?

3 When to use it

Discover the strategic application of A/B testing.

4 Do you have enough data to conduct A/B tests?

Explore the “ROAR” rule of thumb model for assessing data sufficiency in A/B testing scenarios, and learn about into the concept of statistical Power.

5 Which KPI to pick?

What determines which KPIs you should pick?

6 Research to get insights for your A/B tests

You will gain an understanding of the 6V research model and how it can be used to generate user behavior insights.

7 Hypothesis setting

Discover why it’s beneficial to write a hypothesis before you run a growth or research experiment.

8 Prioritize your A/B tests

This lesson explores how to prioritize your A/B tests.

9 Design, Develop, and QA your A/B test

During this lesson, you will gain an understanding of the Dos and Don’ts of A/B testing.

10 Configure an A/B test in your tool

Dive into the configuration of an A/B test within your tool.

11 How to calculate the length of your A/B test

Learn to assess the ideal length of your A/B test.

12 Monitoring your A/B test

In this lesson, you will learn about A/B test monitoring.

13 A/B test outcomes

What makes a winner? Learn how to determine whether your test is a winner.

14 Presenting your learnings

Understand what information is valuable to present to which stakeholders.

15 Business case calculations

Discover why A/B test outcomes don’t always sum up as expected, and delve into crafting accurate business case calculations for your A/B test initiatives.

16 Scaling up testing

Explore the evolution of A/B testing across organizational tiers.

17 Sharing and scaling insights

Now, it’s time to look at the building of an archive and its value.

18 Bonus Section

Understand what 20% more data means for your A/B-testing program.

Ton Wesseling

Specialist in Conversion Optimization and Digital Experimentation @ Ton Wesseling

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

What is the difference between the monthly, quarterly and annual 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.

What is the difference between the individual and teams plans?

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.

What is included in the all-access plan?

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

Can I switch plans later if I want to?

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

What are the payment options available?

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.

What is parity pricing?

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.

Is there a discount available?

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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