Case Study

SDK Bidding drives a 15% increase in ARPU for BlaBlaCar in emerging markets

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BlaBlaCar is a French community-based travel network providing high-capacity carpooling, bus & train services to deliver a cost-effective, social, and sustainable long-distance transport experience.

The challenge

BlaBlaCar’s travel network saw high traffic and user intent, but ad revenue lagged. They needed to increase earnings from their ad space without adding more ads or negatively impacting the user experience.

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The approach

AdMob enabled BlaBlaCar to integrate three additional SDK bidders, optimizing yield and driving real-time auction pressure, significantly increasing bid density and increasing competition across the auction. This competitive tension substantially lifted eCPMs and ARPU.

The results

  • +15%

    ARPU

  • +23%

    eCPM for interstitials

AdMob Mediation has been instrumental in optimizing our ad revenue in emerging markets. Integrating Interstitials and bidding introduced greater competition into our auctions, resulting in nearly doubling our average daily advertising earnings.

— Elena Napalkova , Paid Acquisition & Audience Monetization at BlaBlaCar

  1. AdMob reporting data 2026. Individual results may vary.

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