Case Study: A/B Testing the Sweepstakes Sign-Up Flow

I led the research, design, and testing of the sign-up experience, using A/B testing to determine which approach drove higher conversions and better long-term engagement.

Role

Product Design Lead

Timeline

4 weeks

Impact

Total list growth from campaign: +43% over 3 weeks

Overview

Big Recipe conducted an A/B test to optimize newsletter sign-ups through a sweepstakes campaign offering a HexClad 12-Piece Cookware Set valued at $999. The test compared an embedded landing page form against a multi-step pop-up modal. The multi-step pop-up achieved a 47% higher conversion rate, increasing sign-ups from 8.2% to 12.1% and generating 2,847 additional qualified leads over the 21-day test period.

My Role: Product Designer
Project Duration: 7day design (ideation → handoff) | 21 days test
Team: Product Manager, Data Analyst, 2 Engineers, Marketing Lead

Problem Statement

Big Recipe's existing sweepstakes landing pages were experiencing high bounce rates (61%) and poor form completion rates (8.2%) despite strong initial traffic from paid campaigns. User behavior analytics revealed that 20% of visitors started filling out the form, but only 41% of those who started actually completed it, a completion rate significantly below industry benchmarks of 60-70%.

Core Issues Identified:

Business Impact:

  • Form Intimidation: The lengthy embedded form (6+ fields) visible on page load created immediate friction, discouraging users from beginning the entry process

  • High cost per acquisition ($10.24), making paid campaigns unsustainable

  • Cognitive Overload: Requiring users to process all information simultaneously led to decision paralysis

  • Poor return on ad spend (ROAS 2.1x vs. target of 4x)

  • Low Bonus Entry Engagement: Only 34% of entrants explored bonus entry opportunities, hidden on a secondary page

  • Limited viral coefficient (0.15), reducing organic growth potential

  • Mobile Experience Degradation: Mobile users showed a 46% lower conversion rate compared to desktop, indicating a responsive design issue

  • Underperforming email list growth is affecting downstream revenue targets

  • Unclear Value Exchange: Users couldn't see the full benefit (bonus entries) before committing time to the form


Overview

Big Recipe conducted an A/B test to optimize newsletter sign-ups through a sweepstakes campaign offering a HexClad 12-Piece Cookware Set valued at $999. The test compared an embedded landing page form against a multi-step pop-up modal. The multi-step pop-up achieved a 47% higher conversion rate, increasing sign-ups from 8.2% to 12.1% and generating 2,847 additional qualified leads over the 21-day test period.

My Role: Product Designer
Project Duration: 7day design (ideation → handoff) | 21 days test
Team: Product Manager, Data Analyst, 2 Engineers, Marketing Lead

Problem Statement

Big Recipe's existing sweepstakes landing pages were experiencing high bounce rates (61%) and poor form completion rates (8.2%) despite strong initial traffic from paid campaigns. User behavior analytics revealed that 20% of visitors started filling out the form, but only 41% of those who started actually completed it, a completion rate significantly below industry benchmarks of 60-70%.

Core Issues Identified:

Business Impact:

  • Form Intimidation: The lengthy embedded form (6+ fields) visible on page load created immediate friction, discouraging users from beginning the entry process

  • High cost per acquisition ($10.24), making paid campaigns unsustainable

  • Cognitive Overload: Requiring users to process all information simultaneously led to decision paralysis

  • Poor return on ad spend (ROAS 2.1x vs. target of 4x)

  • Low Bonus Entry Engagement: Only 34% of entrants explored bonus entry opportunities, hidden on a secondary page

  • Limited viral coefficient (0.15), reducing organic growth potential

  • Mobile Experience Degradation: Mobile users showed a 46% lower conversion rate compared to desktop, indicating a responsive design issue

  • Underperforming email list growth is affecting downstream revenue targets

  • Unclear Value Exchange: Users couldn't see the full benefit (bonus entries) before committing time to the form


The Decision-Making Process

Based on these findings, the team held a design brainstorm to address the core question:
"How do we reduce initial friction while maintaining data collection requirements?"

Option 1:
Reduce Required Fields

Option 2:
Move Bonus Entries to Step 1

Option 3:
Multi-Step Modal (SELECTED)

Pros: Simplest solution, proven to increase conversions

Pros: Increases initial value proposition visibility

Pros: Addresses all three drop-off zones simultaneously; maintains context; proven in SaaS onboarding; mobile-friendly

Cons: Marketing team required dietary data for personalization; partner opt-ins were contractual obligations; fewer data points reduced email segmentation capabilities

Cons: Adds complexity to the critical first impression; could overwhelm users before they commit

Cons: Risk of modal abandonment; requires careful progress indication; more complex implementation

Decision: Rejected—would compromise campaign objectives

Decision: Rejected—would worsen cognitive overload at entry point

Decision: Selected as test variant

Hypothesis

IF we hide the form complexity behind an inviting CTA and break the entry process into 3 progressive steps (2 fields → 2 fields → bonus actions),

THEN we will:
Reduce Stage 3 exits by 50% (from 41% to ~20%) by eliminating form intimidation
Increase form start rate by 60% (from 20% to ~32%) by lowering the perceived commitment
Decrease mid-form abandonment by 40% (from 59% to ~35%) through micro-commitment momentum
Increase bonus entry engagement by 100% (from 34% to 68%) by integrating it into the core flow

Key Metrics & Results

Recommendations & Next Steps

Implement Version B Permanently
Roll out the multi-step pop-up modal as the default experience for all future sweepstakes and lead generation campaigns.

Further Optimization Opportunities
Test trigger timing: Experiment with exit-intent triggers vs. immediate pop-up vs. timed delays
Gamification elements: Add a prize preview or entry counter animation
Personalization: Show different partner offers based on dietary selections
A/B test Step 3: Test whether bonus entries should be Step 3 vs. a post-submission page
Mobile-first design: Create a mobile-specific variant with even larger touch targets

Conclusion

The multi-step pop-up modal significantly outperformed the embedded landing page form, delivering a 47% increase in conversion rate and 907 additional newsletter subscribers. By reducing cognitive load, maintaining user focus, and seamlessly integrating bonus entry opportunities, Version B created a superior user experience that drove both immediate conversions and viral growth.

The success of this approach demonstrates the power of progressive disclosure and strategic flow design in optimizing complex forms. For Big Recipe, this translates to a more cost-effective acquisition strategy and a larger, more engaged audience for future campaigns.

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Copyright 2025 by Dazzle Creates

Copyright 2025 by Dazzle Creates

Copyright 2025 by Dazzle Creates