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Sales Growth
Test-and-Learn Strategy

Popeye’s case study

How NÜ Boosted Popeye’s Sales with Programmatic Advertising and an Experimentation-Based Approach

In a highly competitive sector where consumer attention is constantly contested, Popeye’s faced several challenges: maintaining strong digital visibility, reaching qualified audiences, and converting them efficiently and profitably.

Objectives

· Increase online sales
· Lower cost per acquisition (CPA)
· Improve the profitability of programmatic campaigns

Methodology

To increase campaign impact, NÜ implemented a structured testing strategy focusing on key variables: audiences, ad formats (video, banners, native ads), and creative messaging. This approach quickly revealed the most effective combinations optimizing both engagement and conversions. The results proved conclusive: continuously refined campaigns that were more accurate and better aligned with user expectations.

NÜ used an incremental approach to accurately measure the true impact of Popeye’s advertising. Rather than relying solely on engagement metrics, we tracked conversions directly attributable to ad exposure. This strategy validated campaign effectiveness by clearly isolating the results generated by programmatic activations.

Throughout the campaign, NÜ managed budgets in real time adjusting investments based on observed performance. Optimization efforts were based on precise indicators like CPA, total conversions, and repeat visits. This allowed us to concentrate spending on the most profitable segments and maximize media efficiency.

TARGETING

· CRM data
· Website visitor
· Athletes
· Healty eating

Delivery environments

Performance metrics tracked

Conversions

Return on Ad Spend (ROAS)

Cost per Acquisition (CPA)

Results

Reference period: March 2023 – February 2024
· Conversions: 1,567
· ROAS: 1.53
· CPA: $91.64

Campaign period: March 2024 – February 2025
· Conversions : 4 445
· ROAS : 3,16
· CPA : $62,04

+183% increase in conversions

+106% improvement in ROAS

−32% reduction in CPA

Key takeaways

A structured experimentation process

A structured experimentation process helped identify the most effective combinations

Incremental measurement

Incremental measurement allowed us to focus investment where it truly performed

Ongoing optimization

Ongoing optimization led to tangible, measurable results

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