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Get better insights with
A/B testing foundations

1h 07min | 5 lessons

In this course, you will learn how to:

  • Understand the purpose and best practices of A/B testing to avoid common mistakes.
  • Prioritize A/B tests using proven frameworks for maximum impact.
  • Apply statistical methods to ensure your A/B tests are valid and reliable.
  • Choose and design the most effective tests to meet your goals.
  • Accurately interpret A/B test results to inform future optimization strategies.

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

Save time and money running A/B tests like the pros

Many teams struggle with running ineffective A/B tests that waste time and resources without yielding actionable insights. This course addresses these challenges by teaching you how to design, prioritize, and interpret A/B tests like a pro. You’ll acquire the skills to run statistically valid tests that lead to better decision-making, ultimately saving your team time and money while driving more impactful results.

Master A/B testing and unlock the power to make data-driven decisions with confidence

Course Length:
1h 07min. 5 lessons.

By completing this course, you’ll gain the critical skills needed to design and execute effective A/B tests that deliver actionable insights. You’ll learn how to avoid common testing mistakes, prioritize impactful experiments, and apply rigorous statistical methods. This course equips you with the ability to make data-driven decisions that optimize strategies, ultimately leading to better business outcomes and more efficient use of resources.

After completing this online course on A/B testing foundations,
you will be able to assist your team and company with:

  • Designing effective A/B tests that yield actionable insights.
  • Prioritizing tests that have the highest potential impact.
  • Applying statistical methods to validate test results.
  • Avoiding common testing mistakes to save time and resources.
  • Interpreting test results to inform data-driven decisions.

This course is for you if you are responsible for:

  • Conversion rate optimization (CRO).
  • Digital marketing strategies.
  • UX/UI design improvements.
  • Data analysis and interpretation.
  • Product management and optimization.

Subscribe now and get access

See Pricing

Course Curriculum

A/B testing foundations

Introduction to A/B testing

What are we doing here? Topics covered: What is testing for?What’s the alternative? Resources Lesson slide deck

What to test?

What should you be testing to begin with? Topics covered: Research/experimentation 80/20What to test first? Resources Lesson slide deck

Test prioritization

You have multiple competing hypotheses. Which one to test first? Topics covered: PXL Framework Resources Resources PXL prioritization framework sheet Documentation OD Test Prioritization Template Lesson slide deck

A/B testing statistics

How to run statistically valid tests. Topics covered: Statistical significance (p-value)Statistical powerBandit test Resources Resources A/B Test Calculator – CXL Tool Lesson slide deck

Testing strategies

How to choose what kind of tests to run Topics covered: PyramidXLInnovative testing vs iterative testing Resources Resources Pulling Back The Curtain on P-Values Blog post/article Statistical Power Blog post/article Bayesian vs. Frequentist A/B Testing

Peep Laja

Founder @ CXL

Peep is the founder of CXL, and champion of conversion optimization and experimentation. He’s been nominated as the most influential conversion rate optimization expert in the world.

Peep is the creator of the ResearchXL conversion research framework and PXL test prioritization framework.

This online course
comes with a
Certificate

Completing this course earns you an official CXL A/B Testing Foundations 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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