Ongoing signal loss is driving marketers, agencies, and platforms to turn to supply-side advertising. By using first-party data from publishers and platforms, supply-side advertising has the potential to deliver high-quality audience and context for more effective ad targeting.
The supply-side refers to the publishers and platforms that sell advertising inventory. These companies have access to first-party data about their users, which can be used to target ads more effectively. By tapping into supply-side advertising, you can overcome the challenges of signal loss and target ads more effectively.
To shed light on this topic, we hosted a panel discussion at Cannes, featuring industry leaders from Audigent, Captify, Newsweek, Pubmatic, Truthset, and Experian.
In this blog post, we’ll explore how partnerships between supply-side channels and publishers are working to enhance advertising opportunities while balancing the need for transparency and control in programmatic ad buying.
Shift toward supply-side advertising
Traditionally, the demand-side dominated the programmatic media buying chain due to an abundance of supply. However, with the emergence of finite data and its interpretation, collaboration between supply-side technology companies and publishers is required to redefine these economics.
It’s no longer sufficient for the demand-side to blindly negotiate prices based on limited knowledge. Marketers can still define their target audience, but effective communication is key. This presents an opportunity for premium journalistic outlets to guide the industry’s understanding of how data from the supply-side impacts media buying economics in the future.
“Supply-side technology partnerships with publishers are now in a position to shape the economics of programmatic media buying as there is a finite amount of data. It’s crucial for supply-side technology companies to collaborate with publishers to shape these new economics. This presents an opportunity for premium journalistic outlets to provide guidance on how data from the supply-side can affect the future of media buying.”
matthew papa, svp, business & corporate development, captify
Democratizing data from the supply-side
Cookies haven’t brought significant benefits to premium publishers. They mainly serve to retarget users from sites like The Wall Street Journal to advertising sites. This approach primarily serves the purpose of generating revenue.
The elimination of third-party cookies presents an opportunity for premium publishers to shift this dynamic. By using their knowledge of first-party audiences, and using identifiers like Experian’s LUID, publishers can own and understand their audience data, which can then be modeled.
Here’s how publishers can win
Establishing a connection with consumers and emphasizing the value exchange is essential to building trust. Determining what incentives and benefits consumers find meaningful will be crucial in gaining their opt-in.
With consumers
The Apple tracking transparency initiative, specifically the deprecation of IDFA signals, had significant implications for mobile app developers. Overnight, opt-in rates plummeted, causing a drastic decline in iOS ad monetization. To combat this, developers focused on demonstrating the value exchange to consumers—better ad experiences and personalized content.
By articulating the benefits over a couple of years, opt-in rates increased from 10-15% to 30-40%. The key takeaway is the need to effectively communicate the value exchange to consumers.
With partners
Trust plays a crucial role in planning your first-party data strategy. Publishers, advertisers, and data partners highly value their proprietary data. However, there are concerns about how it’s used, mishandled, or leaked in the ecosystem. Building trust between partners is essential. It’s important to work with trustworthy partners who are agnostic, committed to innovative solutions, and globally oriented. These partners can help navigate the complexities of laws and regulations. Choosing the right partners is crucial in a world where first-party data is a key asset.
“Power is shifting toward brands that have strong relationships with customers and possess first-party data. As the ownership of customer data becomes more important, it is crucial to establish a first-party data strategy to better serve customers and adapt to changing market dynamics.”
chip russo, president, truthset
Balance probabilistic and deterministic data
Focus on building trust with consumers and collaborating with reliable companies to share data. However, it’s important to remember that achieving a 100% opt-in rate is unlikely.
The cookie, which has become omnipresent, requires us to shift our strategic thinking. We need to consider both deterministic and probabilistic approaches instead of viewing them as mutually exclusive. The landscape will be fragmented, with some consumers opting in and others not.
“Probabilistic and predictive audience data holds immense potential. With the power of AI, we can expect enhanced performance and efficacy in media campaigns. At Audigent, we firmly believe that this data will outperform deterministic data, making it an integral part of our strategy.”
drew stein, ceo, audigent
Premium content
Trust plays a crucial role in leading to premium content. By placing trust in the best media brands, data, and technology partners, we can expect to see improvements in media, journalism, and advertising. This shift may have a direct impact on the long tail of free natural resources, making it more challenging for them to thrive. However, this change is ultimately beneficial since it promotes higher-quality media experiences overall.
“The homepage surface is making a comeback in the publishing industry, proving its value in establishing a direct connection with readers. While we acknowledge the importance of technology partnerships for addressability and identity, our core competency as a publisher remains outstanding journalism that captures and engages great audiences.”
kevin gentzel, cco, newsweek
Watch our Cannes panel for more on supply-side advertising
We hosted a panel in Cannes that covered supply-side advertising. Check out the full recording below to hear what leaders from Audigent, Captify, Newsweek, Pubmatic, Truthset, and Experian had to say.
Check out more Cannes content:
- Our key takeaways from Cannes Lions 2023
- Insights from a first-time attendee
- Four new marketing strategies for 2023
- Exploring the opportunities in streaming TV advertising
- The future of identity in cookieless advertising
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Audigent, a part of Experian, is excited to announce that curated audience and contextual inventory packages are now accessible on Google Display and Video 360 (DV360), delivered via Index Marketplaces. These premium deals offer industry-leading targeting solutions, combining high-quality data and inventory to enhance scale, value, and performance across connected TV (CTV), display, and online video (OLV). The integration launches with over 250 ready-to-run deals covering various sectors, including some available for DV360 buyers for the first time, such as automotive, B2B, seasonal retail, sports fandom, travel, and weather, among others. Each deal combines exclusive audience data with premium inventory under a single DV360 deal ID. The supply-side activation lets you scale campaigns without cookies or device IDs, so results stay consistent even as traditional tracking disappears. "We’re excited to expand Audigent’s curated, data-enriched packages in DV360 with Index Exchange. Putting Experian’s audiences and Audigent's premium supply inside a single deal ID accelerates smarter decisions for marketers—letting brands activate, test, and see results right away.”Chris Feo, Chief Business Officer, Experian Why these packages stand out Unique targeting and supply packages Each package fuses exclusive data with handpicked inventory and ships as a single, ready-to-trade deal ID. Deep partner bench Audiences are sourced from first-party publisher data as well as data leaders such as Experian, Affinity Answers, Acxiom, Bombora, Circana, Dun & Bradstreet, Resonate, Sports Innovation Lab, The Weather Company, and more, providing buyers with deterministic purchase, intent, behavioral, and lifestyle signals in one flight. Future-proofed addressability Packages rely on Audigent’s identity framework, contextual intelligence, and supply-side data activation rather than third-party cookies or device IDs, keeping reach intact as identifiers fade. Three reasons these packages drive results Signal-agnostic reach: Cookieless, device-less targeting preserves scale today and tomorrow. Instant activation: Traders simply add the pre-curated deal ID to a DV360 line item and go live in seconds. Built-in quality assurance: Exclusive audience data is paired with hand-vetted inventory, so you start closer to KPIs from day one. Direct-to-source media buying that pays off By packaging curated, data-enriched deals directly atop Index Exchange, via the Index Marketplaces platform, Audigent eliminates extra hops and integrates premium partner data into a single price, with no additional data management platform (DMP) fees. That means higher match rates, simplified audience management, and a cleaner, greener path that concentrates spend on top-tier publishers. Paired with Index Exchange’s omnichannel reach, brands see stronger performance and lower waste, no trade-offs required. "Our goal with Index Marketplaces is to streamline access to premium supply, high-quality data, and measurable outcomes. Hosting Audigent's ready-to-run deals on Index lets DV360 buyers tap addressable inventory curated for scale, sustainability, and speed – no extra steps, just better results."Paul Zovighian, Vice President of Marketplaces, Index Exchange Real-world use cases Audigent’s deep data collaboration bench isn’t window dressing; it’s baked into every package. Deterministic signals from Experian and fellow data leaders come pre-loaded, so you tap high-intent, high-match audiences the instant you activate a deal ID. In-market auto shoppers Reach consumers actively researching specific vehicle types, such as compact cars, SUVs, trucks, or luxury models, using deterministic data from Experian. These segments predict purchase intent within the next 180 days, enabling the delivery of accurate messaging at the moment of consideration. B2B account growth Target decision-maker employees at companies segmented by employee count: 11–50, 51–250, or 251+, using Dun & Bradstreet’s data. Or reach small business professionals and business decision-makers via deals utilizing Bombora’s data assets. Sports fandom Engage verified MLB fans based on purchase behavior, powered by Sports Innovation Lab. Extend reach to contextual sports content, including live sports and sports-related programming across CTV and OLV. Seasonal retail bursts Engage gift-givers and in-market segments for gifts and occasions. Target DIY home improvers and verified affinity audiences for home projects. Reach back-to-school families by targeting parents preparing for the school year with Affinity Answers’ event-based segments. Weather-driven behavior Activate campaigns based on how real-time or forecasted weather conditions (like sunny days, outdoor activity suitability, or severe weather alerts) influence mindsets and decisions, powered by The Weather Company's data. "This collaboration integrates The Weather Company’s industry‑leading weather forecast data into DV360, the world’s largest buying platform, enabling real‑time relevance through curated deals. Experian contributes deep expertise in consumer audiences, The Weather Company delivers unmatched precision in timing and location, and Index Exchange adds efficiency and transparency – together creating a streamlined, turnkey solution for activation." Dave Olesnevich, VP of Data and Ad Product, The Weather Company Ready to activate? Search Audigent in DV360’s Marketplace, select the Audigent package that fits your KPIs, and add the deal ID to your line item. Prefer a custom build? Reach out to us at partnershipsales@experian to curate a package tailored to your campaign goals. The quickest path to performance is just one deal ID away. Contact us now Latest posts
Brands want more from their media investments: better insights, more efficient reach, and clear proof of performance. Whether you’re starting with high-quality first-party data or need help reaching new audiences, Experian offers flexible solutions to drive reach among key audiences and to measure the impact. We’ve built two primary activation and measurement solutions tailored to how brands operate, so you can spend less time managing data and more time driving outcomes. Use case 1: First-party insights to activation and measurement Best for: Brands with first-party data looking to deepen their understanding of existing customers, activate intelligently, and measure what matters – all through a single trusted partner. Solution: Audience Engine + Outcomes Audience Engine Audience Engine is our self-service platform designed to help you onboard first-party data, gain key insights into your customers, build custom audiences using our powerful data assets, and activate them across 200+ platforms — all within a single workflow. Outcomes Experian Outcomes closes the loop by measuring real-world results of your campaigns (such as visits, purchases, and website actions) and tying them back to specific media exposures across digital and TV channels. Together, these tools offer a full-funnel audience and measurement solution, from planning and activation to proving performance. Let’s bring this to life A leading athletic retailer partnered with Experian and Yieldmo to drive in-store foot traffic, targeting shoppers likely to buy from their competitors during key sales windows. Using Experian’s Audience Engine, which includes our proprietary and third-party data marketplace, Yieldmo built a high-performing, self-serve targeting strategy for the retailer. By combining Experian Audiences with Partner Audiences from Alliant, Circana, Webbula, and Sports Innovation Lab, Yieldmo was able to build apparel and footwear audiences from the data marketplace including: In-store shopper segments Athleisure purchasers Competitive purchasers Audience Engine also enabled Yieldmo to tap into Experian’s identity graph, expanding cross-channel reach and maximizing campaign scale and precision. And while not used for this campaign, our Outcomes solution allows advertisers to tie media spend to in-store activity, so retailers can measure true business impact. Benefits Understand your customers more deeply To reveal behavioral, demographic, and lifestyle trends. Reach your first-party audiences at scale Across top activation platforms, using Audience Engine’s onboarding capabilities. Increase your brand awareness By reaching prospective audiences, using Experian Audiences, Partner Audiences, and lookalike audiences. Measure campaign effectiveness With Outcomes, which correlates media exposures (digital and/or TV) with offline and online conversions, visits, or sales. Optimize future media buys By using attribution insights to refine targeting, creative, and channel mix based on what’s actually driving results. Use case 2: Activation and measurement Best for: Brands that already know who they want to reach and are looking to activate high-quality, data-driven audiences across their preferred media platforms and want to clearly understand what’s driving performance. Solution: Audiences + Partner Audiences + Outcomes Audiences Experian Audiences are pre-built audience segments grouped by shared attributes from Experian Marketing Data built for activation on-the-shelf of top programmatic, TV, and social destinations like FreeWheel, Magnite, and Madhive, in addition to Audience Engine. Partner Audiences Experian's Partner Audiences are high-quality audience segments sourced directly from 30+ leading third-party data providers like Affinity, Circana, and Dun & Bradstreet. These segments are curated across verticals like Business, CPG, Health, Retail, and Travel, and are available through on top media destinations, in addition to our data marketplace for easy selection and deployment. Outcomes Experian Outcomes helps close the loop by tying real-world results back to media exposures across digital and TV channels. Together, these products empower marketers to activate smarter and prove success with confidence. Let's bring this to life A leading fashion brand set out to grow their customer base by reaching high-intent shoppers where they spend their time: online. Their goal: drive e-commerce conversions through a programmatic campaign powered by The Trade Desk. To do it, they needed more than just reach, they needed accuracy. That’s where Experian came in. On The Trade Desk, the brand quickly discovered Experian’s prebuilt audience segments, readily available and easy to activate. They selected: Age Range: 25–44 Women’s Fashion Frequent Spenders: Households identified as frequent purchasers of women’s apparel, cosmetics, jewelry, and accessories—based on verified, consumer-reported transactions from the past 24 months. These segments gave the brand confidence that it was putting its message in front of the right consumers, those most likely to engage and buy. To understand whether their campaign was driving results beyond impressions, the brand implemented a site pixel to capture both top-of-funnel visitation and bottom-of-funnel conversions. Using Experian’s Outcomes solution, they were able to close the loop—tying ad exposure directly to e-commerce sales. The Outcomes report showed clear campaign lift, highlighting which channels and audience segments performed best. Armed with these insights, the brand refined their targeting and messaging for future media buys—boosting ROI with each iteration. Benefits Reach your ideal audience at scale By activating Experian Audiences and Partner Audiences off the shelf at digital and TV platforms. Access privacy-conscious, diverse data Curated by 30+trusted data providers in verticals like Business, CPG, Health, Retail, and Travel without needing to manage multiple data contracts. Understand what’s working Through Outcomes reporting, which connects media exposure to offline and online outcomes like conversions, purchases, or visits. Continuously improve performance By using attribution insights to inform audience selection, creative strategy, and media channel mix for future campaigns. Bring this to your brand Experian’s activation and measurement solutions for brands gives you the tools to act with clarity: from onboarding your first-party data to reaching new customers and tying media back to real results. Whether you’re starting with deep customer insights or building campaigns from scratch, here’s how our solution helps: Audience Engine Onboard your first-party data, gain insights into audience composition, build custom audiences using Experian and Partner Audiences, and activate them across 200+ leading platforms — all through a centralized, self-service platform. Audiences and Partner Audiences Reach high-intent prospects using Experian’s syndicated audiences or custom-built segments from partners like Circana, Dun & Bradstreet, and more. Outcomes Understand what worked. See how media exposure correlates with actions like store visits, quote requests, site activity, or purchases. Every element is built to help you scale campaigns, improve addressability, and tie media spend to results that matter—without the overhead of multiple vendors or disjointed systems. Ready to see it in action? Get in touch with our team. Latest posts
1,000+ ready-made segments, available for activation within Nexxen Audigent, a part of Experian, has officially launched its audiences in the Nexxen demand-side platform (DSP), pairing premium publisher audiences with Nexxen’s streamlined connected television (CTV) and omnichannel buying workflow. Audigent transforms real engagement from premium publishers into over 1,000 ready-to-activate segments—spanning beauty, finance, travel, and more. Three key benefits Signal quality Verified publisher data drives higher match rates and wider look-alike reach. Media impact Reach up to 92 million entertainment fans, 78 million retail shoppers, or 71 million finance intenders across CTV, online video (OLV), and display without guesswork. Privacy and compliance Every segment is built from opt-in, first-party data and delivered through Audigent’s privacy-by-design framework. How Audigent and Nexxen boost your campaigns Now live in the Nexxen DSP, Audigent’s premium audiences plug directly into your existing buying workflow—making it easier than ever to plan, activate, and optimize at scale. Audigent utilizes cookieless, first-party IDs sourced directly from its premium publisher network, allowing advertisers to future-proof campaigns and continue to reach real people across browsers, devices, and CTV. Vertical use cases Auto Target auto intenders as they research new models, then retarget them on CTV during primetime motorsports broadcasts. Retail and CPG Engage retail shoppers with dynamic product ads ahead of peak sales weekends, bridging display and CTV for sequential storytelling. Travel and Hospitality Reach travel planners with destination-specific offers the moment they begin searching for flights. Finance Serve relevant credit card or fintech messaging to finance enthusiasts researching personal finance content. Premium audiences, measurable performance As a part of Experian, Audigent’s audience solution complements our broader identity resolution and activation capabilities, ensuring consistency across every channel. Together with Nexxen’s unified tech stack, advertisers can launch ads faster while respecting consumer privacy. Audience data, targeting, and media all sit in one workflow, making results easy to see and optimize. Contact us Latest posts