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Learn Conversion Rate Optimisation

The systematic process of improving what percentage of visitors take a desired action — A/B testing, heatmaps, user research, and data-driven decision making.

Identify where and why users drop off
Design statistically valid A/B tests
Use heatmaps and session recordings effectively
Build a CRO programme that compounds over time
Free forever No signup required Progress saved locally 15 lessons

Three tracks — pick your level. Progress is saved automatically in your browser.

BeginnerStart here. No prior knowledge assumed.
0 of 5 complete
Lesson 1
What is CRO?
The systematic approach to improving conversion rates and why it compounds faster than acquiring more traffic.
Lesson 2
Understanding Your Conversion Funnel
Mapping steps from awareness to conversion and identifying drop-off points.
Lesson 3
Heatmaps and Session Recording
What click maps, scroll maps, and session recordings reveal about user behaviour.
Lesson 4
CRO Metrics and Measurement
Revenue per visitor, average order value, micro-conversions and what they indicate.
Lesson 5
CRO Framework
The research, hypothesis, test, learn cycle and how to prioritise experiments.

What is conversion rate?

What does a heatmap show?

IntermediateBuild on the basics.
0 of 5 complete
Lesson 1
A/B Testing Fundamentals
How A/B tests work — control vs variant, traffic split, and what makes a test valid.
Lesson 2
Statistical Significance
What it means, why it matters, minimum sample sizes, and the common mistakes.
Lesson 3
Landing Page Optimisation
Headline, hero, social proof, CTA — the elements that most affect conversion.
Lesson 4
Form Optimisation
Reducing friction — field reduction, error handling, and changes that consistently improve completion rates.
Lesson 5
User Research for CRO
User interviews, surveys, and usability testing that explain why quantitative data shows what it shows.

What is statistical significance in A/B testing?

What is the risk of stopping an A/B test too early?

AdvancedDepth, edge cases and strategy.
0 of 5 complete
Lesson 1
Multivariate Testing
Testing multiple elements simultaneously and interpreting interaction effects.
Lesson 2
Personalisation and Dynamic Content
Showing different content to different segments — tools, targeting, and how it differs from A/B testing.
Lesson 3
E-commerce CRO
Product page optimisation, cart abandonment, and checkout flow improvements.
Lesson 4
CRO for Lead Generation
Form length vs conversion rate, lead magnet effectiveness, and nurture sequence impact.
Lesson 5
Building a CRO Culture
Moving from ad-hoc testing to a systematic programme with sustained momentum.

What is multivariate testing?

Why is qualitative research important in CRO?

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