Zefr Max AI-Powered Exclusions & Bid Optimizer Drove Stronger Campaign Success Across All KPIs
15%
More Efficient CPMs
+13%
Media Quality ROI
Cost-savings Reinvested from Dynamic Blocking of Unsuitable Content
+10%
Higher Impressions
+9.58%
Higher View-Through Rate (VTR)
+8%
Higher Brand Suitability
The Challenge
In 2025, Zefr partnered with the multinational telco brand Telefónica to support a first-time YouTube campaign for a new mobile brand, Tuenti, with the goal of testing Zefr Max Exclusions and Bid Optimizer compared to a non-Zefr campaign with the same targeting parameters.
The Solution
The Results
Zefr Max’s AI-Powered Exclusions and Bid Optimizer Significantly Boosted Campaign Performance Across Every Key Metric
“We wanted to take our social campaigns to the next level, leaving the traditional behind. With Zefr, we were able to combine brand safety and media quality, which translated into better results, greater efficiency and a more robust advertising experience.”
Mauricio Rojas, Head of Digital Brand and Media, Tuenti Equador
Zefr enabled Tuenti to enhance overall reach and suitability alignment while reducing CPM costs, allowing the brand to reinvest savings into higher-quality media placements, ultimately driving stronger return on investment.
