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Funnel

Quick answer

A funnel in marketing refers to the journey that a potential customer takes from their first interaction with your brand to the ultimate goal of conversion. It's often described as a funnel because many people will become aware of your business or product (the widest part of the funnel), but only a portion of those will move further down the funnel to consider your offering, and even fewer will proceed to the final step of making a purchase (the narrowest part of the funnel). In A/B testing, it helps teams explain which part of the visitor experience changed and why that change could affect conversion behavior.

Key takeaways

  • Funnel describes a user experience factor that can influence attention, trust, or action.
  • It is useful for writing clearer hypotheses and choosing better experiment metrics.
  • The impact can vary by device, visitor intent, and where the user is in the journey.

Definition

A funnel in marketing refers to the journey that a potential customer takes from their first interaction with your brand to the ultimate goal of conversion. It's often described as a funnel because many people will become aware of your business or product (the widest part of the funnel), but only a portion of those will move further down the funnel to consider your offering, and even fewer will proceed to the final step of making a purchase (the narrowest part of the funnel). It's crucial for businesses to study and optimize this process to increase conversion rates.

What Funnel means in A/B testing

In conversion optimization, Funnel describes a part of the visitor experience that can be observed, measured, and improved through testing. It is often used when forming hypotheses about why users click, scroll, buy, sign up, or leave.

Why Funnel matters

Funnel matters because small changes in user experience can have a measurable impact on attention, trust, and conversion behavior. It gives experiment teams a clearer way to describe what they are testing and why it may affect results.

Example of Funnel

For example, a marketer may test a different hero message, call-to-action, or page layout. Funnel helps explain which part of the user journey changed and why that change could affect conversion behavior.

How to use Funnel

Use Funnel while forming a hypothesis. Identify the user behavior you expect to change, choose a metric that can capture it, and test one clear improvement instead of changing many page elements at once.

Common mistake

A common mistake is assuming Funnel affects every visitor the same way. Segmenting by device, traffic source, and intent can reveal whether the improvement helps the audience you actually care about.

Related A/B testing terms

FAQ

What does funnel mean in A/B testing?

A funnel in marketing refers to the journey that a potential customer takes from their first interaction with your brand to the ultimate goal of conversion. It's often described as a funnel because many people will become aware of your business or product (the widest part of the funnel), but only a portion of those will move further down the funnel to consider your offering, and even fewer will proceed to the final step of making a purchase (the narrowest part of the funnel). In A/B testing, it helps teams explain which part of the visitor experience changed and why that change could affect conversion behavior.

Why does funnel matter for experiments?

Funnel matters because small changes in user experience can have a measurable impact on attention, trust, and conversion behavior. It gives experiment teams a clearer way to describe what they are testing and why it may affect results.

How should teams use funnel in an experiment?

Use Funnel while forming a hypothesis. Identify the user behavior you expect to change, choose a metric that can capture it, and test one clear improvement instead of changing many page elements at once.

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