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Separating contact information into multiple screens: Houzz's A/B test

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The bottom line

Houzz split its contact form into three screens, one each for name, email and phone number, and conversion rose by more than 15%. Breaking up data entry can beat a shorter form, even when it costs more clicks.

Key takeaways

More clicks, less thinking, more conversions
Single formThree screens
Fields per screen31
Screens13
Clicks to finishFewerMore
Mental effortHigherLower
ConversionBaseline+15% or more
Houzz accepted extra taps in onboarding to cut the cognitive load of handing over contact details.
  • Splitting contact information across three screens raised conversion by more than 15%. Each screen asks for only one thing.
    • The screens cover name, email and phone number, one per screen.
  • The new design trades more clicks for less mental effort. Lower cognitive load was the aim of the change.
    • Completing the form takes more clicks than before.
  • The test belongs to the onboarding category. It targets the first step where users hand over their details.

The test and its result

One field per screen: name, then email, then phone
Tested in the Houzz app's onboarding, the step where users first share their details.

Houzz replaced a single contact form with three single-field screens and saw conversion climb by over 15%.

  • The new design shows name, email and phone number on separate screens.
    • Each piece of information gets its own screen.
    • The test was run in the Houzz app during onboarding.
  • The goal was to reduce cognitive load by breaking down the entry process.
    • The design accepts an increase in clicks to get there.
  • The result was a conversion rate increase of more than 15%.
    • More users completed the flow despite the extra steps.
    • The test was first written up by Insider Growth HQ in a piece on three experiments to boost conversion.
Version A and version B as Houzz tested them.
Version A and version B as Houzz tested them. Screens from abtest.design.

In the growth library

Houzz, Onboarding test. Houzz split its contact form into three single-field screens (name, email, phone) instead of one combined form. Even with more clicks, conversion rose by more than 15%.

Lessons that draw on this:

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