Cookieless solutions? We've got you covered.

Over half of the open web is cookieless - and it's taking a chunk out of your programmatic advertising revenue.

With Quantcast technology, you'll drive maximum outcomes from your full audience, with or without third-party cookies. Simple.

More than half of open web consumers are already 'invisible' to marketers.

Third-party cookie-blocking movements from browsers, regulators, and consumers have caused a cookie-dependent ad ecosystem to fragment. Limiting ad campaign reach, measurement, and optimization opportunity.

We'll do for you what cookies never could.

Give programmatic advertising an upgrade with the Quantcast Advertising Platform.

Plan, activate, and measure audiences and campaigns with real-time accuracy third-party cookies can't match.

Prioritize clarity over crumbs

Sourcing real-time granular data from over 100m+ digital destinations, our platform generates unique, accurate, ever-evolving insights into audience behavior, interest, and intent.

The perfect recipe for reach and results

Powerful machine learning recognizes and acts on even the smallest online data signals, for full audience addressability. So you can drive the very best outcomes across the entire open web.

Quantcast delivers total audience addressability. Cross-channel, full-funnel.

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Spend effectively and efficiently, everywhere.

Rediscover your most high-value consumers in the environments they love.

Finding audiences consistently across every channel gets you more bang for your buck - whatever your objective, cookies or not.

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Measure what matters. Cookies or no cookies.

Understand the impact of your advertising in real time.

Accurately quantify and report on:
- Scale (e.g., spend, impressions)
- Reach (e.g., uniques, brand lift)
- Performance (e.g., clicks, conversions)

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Relevance and accuracy, while respecting privacy.

Deliver relevant ads to the right audiences at the right moment.

Swap cookies for machine learning, numerous bidstream signals, our vast real-time dataset, and your own first-party data.

8000+ cookieless campaigns and counting...

Tried and tested cookieless solutions, built to drive impossible outcomes.

Quantcast gets advertisers ahead of the curve.

When Yokohama needed to reach tire shoppers in previously inaccessible environments, our cookieless technology didn't just double their reach – it delivered their most efficient quarter ever, with 46% lower CPA.

The cookieless technology you need to succeed
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Now that audiences are no longer well-mapped by 'deterministic' signals like third-party cookies, you need a new way to find and understand them.

Quantcast's two decades of AI and machine learning innovation have resulted in powerful 'probabilistic' advertising technology, measuring the pulse of the open web in real time to predict audience behaviors with astonishing accuracy.

It's purpose built to deliver you the very best programmatic campaign reach and performance.

Mapping the open web


Large language models (LLMs) contextualize the open web's content into an organized digital library of categories and concepts, with an understanding of relational links between every topic and page.

Building audience blueprints


Billions of contextual and behavioral signals feed machine learning models to encapsulate, in real time, the ever-evolving behaviors of audiences browsing the open web. Omnichannel and full-funnel.

Cookieless measurement with Quantcast

Advertising's greatest challenge doesn't have to be yours.

Measure and report on audiences and campaigns, from brand to demand - with or without cookies.

The Future of Cookieless Measurement

In this playbook, you'll find guidance on the best ways to approach all-important cookieless measurement, including:

- Different types of measurement
- Best practices for marketers
- Recommendations for the future

A new era of probabilistic measurement

Hear from our Lead Product Manager about probabilistic measurement, and how its development will shift the marketing landscape - especially in a post-cookie world.

See what Quantcast can do for you.

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