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Case Studies
Why Adding Friction Improved Built for Mars' Conversion Rate by 25%

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Why Adding Friction Improved Built for Mars' Conversion Rate by 25%

8 mins
about Built for Mars
Bfmyellow
  • Case study
Skills you'll build
  • The two "obvious" fixes that did nothing

  • Why you shouldn't always force an input

  • Why limiting the user's choices can be beneficial

Typically, designers want to remove as much friction as possible.

In plenty of case studies, I've counted clicks as a proxy for effort.

So if people are abandoning your sign-up flow, you should make it shorter, right?

Well, I added friction to mine, and conversions went up by around 25%.

Even more interestingly, the two "obvious" fixes that I attempted at first, did nothing.

Here's a behind-the-scenes look. Warts and all.

Case study

Peter Ramsey, Built for Mars Founder

Written by Peter Ramsey

Consultant to 100+ companies

Part of:
Purchases & Subscriptions
Published: 30/06/2026
Last edited: 05/10/2026

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