The Whoop! algorithm had no troubles achieving and even beating merlin’s goals: the ROAS increased by more than 82%.

The history of merlin.pl dates back to 1999, making it one of the oldest and most significant online shops in Poland. As merlin.pl faces intense competition, superior advertising and efficient bidding are crucial. Unlike other tools, Whoop! defines CPCs based on the performance of each and every product — from the very first moment and without relying on averages. The dashboard grants full control and allows users to adjust bidding goals according to individual business experiences.

The result:

• ROAS increased by more than 82%
• strong performance during highly competitive seasons
• perfect CPC bids for all 250,000 SKUs
• bid changes exceeded 1,731,031 (first month alone)