Viant and Havas Media Network Achieve 100% Scale and 93% Unique Reach in Landmark Cookieless Test
Cookieless Activation Achieved through the Viant DSP

Viant Technology and Havas Media Network partner on a successful cookieless advertising test. (Graphic: Business Wire)
Havas Media Network leveraged Viant’s advanced targeting technology within its industry-leading Demand-Side Platform (DSP) to conduct A/B tests against custom audiences from Havas Media’s Converged Audiences platform. The tests compared two strategies: one using cookies and the other without. The cookieless approach, achieving a
“To better serve our clients, we need to stay ahead of the challenges that they’re facing. Our cookieless activation with Viant and our Converged platform is a massive achievement for our agency, as we prove our ability to succeed without sacrificing performance or audience privacy,” said Greg James, CEO of Havas Media Network North America.
According to DoubleVerify, the US campaign achieved over
“Our collaboration with Havas Media Network has proven that it is possible to maintain performance and reach target audiences effectively without relying on third-party cookies,” said Dustin Kwan, Chief Product Officer at Viant. “This successful test demonstrates the power of our Household ID technology and reinforces Viant’s commitment to pioneering solutions for the evolving digital advertising landscape.”
The Viant Household ID serves as a nexus point for marketers, data providers, and publishers, integrating with publisher first-party data to offer a holistic solution for targeting and measurement across various channels without the need for traditional cookies. This central identifier connects data points in a privacy-compliant manner, resolving programmatic identifiers and capturing more conversions than competitors, providing a solution to the deprecation of cookies and historical digital identifiers.
"Our partnership with Viant has enabled us to effectively navigate the challenges posed by the decline of third-party cookies," said Sarah Karges, SVP of Biddable Media at Havas Media Network. "We are thrilled with the results of the test, which demonstrate the power of our Converged Audiences platform in conjunction with Viant’s advanced identity solutions when preparing for a future that does not solely rely on third-party cookies.”
As advertisers and the industry continue to evolve, Viant remains at the forefront of providing solutions that meet the challenges of a future that is not dependent on third-party cookies. Learn more about the Viant Household ID here.
ABOUT VIANT
For over 25 years, Viant® (NASDAQ: DSP) has been at the forefront of technology innovation for advertisers. As a premier enterprise-grade Demand Side Platform, Viant excels in delivering omnichannel digital advertising, driving growth through connected television (CTV), advanced identity solutions, and AI-driven Autonomous Advertising. Through the Adtricity® sustainability program, Viant champions a more sustainable future for digital advertising. Headquartered in
ABOUT HAVAS MEDIA NETWORK
Havas Media Network (HMN) is the media experience agency. Havas Media Network delivers this brand promise through the Mx System, where meaningful media helps build more meaningful brands. Havas Media Network is part of the Havas group, owned by Vivendi, one of the world's largest integrated content, media, and communications groups. Havas Media Network is home to more than 10,000 specialists across 150 countries worldwide, with 73 Villages. Global clients include Hyundai Kia, Puma, TripAdvisor, Michelin, Telefónica, Reckitt Benckiser, among many others. For more information, visit the website or follow Havas Media Network on Twitter @HavasMedia, LinkedIn @HavasMediaNetwork, Facebook @HavasMedia or Instagram @havas.
ABOUT PURPLELAB
PurpleLab is a healthcare analytics company with a mission to spur value-driven innovation across the healthcare continuum. HealthNexus™, the company’s privacy-safe, no-code analytics platform, empowers advertisers, agencies, advertising technology companies and other healthcare stakeholders to explore patient and provider populations, size audiences, measure, and optimize omnichannel healthcare media campaigns. PurpleLab®, which raised a Series B financing of
View source version on businesswire.com: https://www.businesswire.com/news/home/20240725192884/en/
Media Contact:
Marielle Lyon
press@viantinc.com
Mia Gabriel
Mia.gabriel@havasmedia.com
Source: Viant Technology Inc.