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Sign-up journey redesign

Redesigned mobile-first sign-up flow to improve clarity, accessibility, and completion rates.

Quick overview

  • Role: Senior UX Architect

  • Company: Which?

  • Impact: 

    • 44% increase in completion rate. 

    • 25% uplift in subscriptions. 

    • Improved clarity and ease of use for all users.

Situation

High-friction sign-up flow with confusing navigation and poor mobile usability, causing high drop-off and low conversion.

Task

  • Improve accessibility and completion rates for sign-up flow. 

  • Identify friction points and redesign IA and user journey.

What I did

  • Mapped existing journey using analytics and usability testing. 

  • Identified pain points (address look-up, unclear USPs, multiple modal windows, payment friction). Redesigned IA and prototypes for mobile-first experience. 

  • Ran iterative usability and accessibility testing.

Mapping out the existing journey.

Mapping out the existing journey

Wireframe of the new sign-up journey
Output of stakeholder workshop.

Output of stakeholder workshop

Wireframes of the new sign up journey

Impact

  • 44% increase in completion rate. 

  • 25% uplift in subscriptions. 

  • Improved clarity and ease of use for all users.

Who I collaborated with

  • Content designers and developers. 

  • Researchers and testers. 

  • Stakeholders for subscription products. 

  • Product owners.

Reflections

  • Learned that mobile-first design requires testing across device types and contexts.

  • Even small friction points (e.g., address lookup, multiple modal windows) can dramatically affect completion rates. 

  • Iterative usability testing with real users is essential to validate assumptions.

Final designs of the new sign-up page on desktop.

Final designs of the new sign-up page on mobile and desktop.

© 2025 by Melissa Robinson. All rights reserved

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