Optimizing Store Position & Creative on Third-Party Platforms
How thumbnail design and placement drive attention, engagement, and conversion
On crowded third-party platforms, visibility alone isn't enough. Where your content appears—and how it visually competes within a cluttered UI—can determine whether users simply notice it or actually engage and convert. In this case study, Monet evaluated how thumbnail design and store position influence audience behavior within a film-rental user interface, revealing the critical difference between attention and meaningful engagement.
How do creative choices and store placement affect engagement on third-party platforms? The challenge was understanding the difference between what gets noticed versus what drives recall, consideration, and action.
Primary Takeaway: The thumbnail that gets noticed first is not necessarily the one that drives recall, consideration, or action.
What This Case Study Covers
UI & Creative Impact on Engagement
How do creative choices and store placement affect engagement on third-party platforms? The study compared multiple thumbnail designs embedded in a realistic rental-platform UI.
Attention vs. Conversion Diagnostics
Measured how users move from noticing content to hovering, clicking, remembering, and acting.
Pre-Publish Optimization
Enabled content teams to optimize posters and positioning before launch, while content is still fresh.
Our Approach
Real-World UI Simulation
Four movie thumbnail variations were inserted into a static mock-up of a popular rental platform, recreating a realistic browsing environment with multi-modal behavioral measurement:
What We Pinpointed
Facial coding captured emotional response
Eye tracking measured attention and gaze patterns
Mouse hover and click behavior tracked consideration
Post-survey recall and recognition measured memory
Creative Comparisons
Measurements taken at 3, 6, and 15 seconds
750+ adults in the U.S. participated
Natural browsing behavior simulated
Four thumbnail variations tested in realistic UI
Key Insight
The most memorable creative is not the one that shouts the loudest—it's the one that invites curiosity and sustained engagement.
What Improved Performance
Thumbnail 3 drove highest engagement despite not being most noticed initially
Visuals suggested story depth and intrigue, encouraging exploration
Time-based measurement revealed how engagement evolved over seconds
Multi-modal tracking captured full journey from attention to action
Segment Learnings
Thumbnail 1 generated highest initial noticeability but failed to convert attention into consideration or action due to strong visuals without story or motivation cues. Thumbnail 3 was the top performer by balancing visual appeal with narrative intrigue.
Results Snapshot
Participants
Thumbnails Tested
Time Intervals
Measurement Types
What This Enables for Brands
Make creative decisions with confidence:
Optimize thumbnails for both attention and engagement
Balance visual contrast with narrative cues
Reduce price sensitivity and value ambiguity in PVOD
Improve performance before content goes live, not after
Want to know which scenes are helping—or hurting—your ad performance?
Let's test your creative early and optimize it for the KPIs that matter. Download the full case study now.