Case Study: Tesco achieves 63% increase in grocery delivery sign-ups with Quantcast's cookieless prospecting

Tesco checks out Quantcast cookieless solutions and gains a 63% increase in conversions

Tesco, the UK supermarket leader, wanted to grow online grocery delivery sign-ups but found its pool of addressable customers shrinking as third‑party cookies became unavailable. The retailer needed a partner that could expand reach in cookieless environments and quantify the missed opportunities where cookies no longer worked.

Using the Quantcast Platform, Tesco expanded reach to previously unaddressable consumers with one click and leveraged Ara™, Quantcast’s AI engine, for higher‑fidelity contextual signals. MediaCom ran an A/B test with Quantcast’s Cookieless Breakdown Report to compare performance, resulting in a 63% increase in delivery sign‑ups and strong gains among Apple users (about an 80% increase across Apple devices and up to 160% uplift on iOS in some measures); Tesco now makes cookieless activation standard.

Tesco