Quantcast

Quantcast

Demand-side platform and audience intelligence tool used by advertisers and agencies for programmatic buying. Quantcast Measure (publisher analytics) and Quantcast Advertise (DSP) scripts fire on publisher and advertiser sites to collect audience signals and attribution data.

Back to Vendor Library

Overview

Quantcast is a demand-side platform and audience measurement service. Quantcast Measure provides publisher audience analytics, while Quantcast Advertise powers programmatic ad buying with AI-driven audience targeting.

What This Script Does

  • Fires a measurement tag on publisher pages to collect audience demographic and interest data
  • Sets cookies to build persistent user profiles across sites in the Quantcast measurement network
  • Collects page URLs, referrers, device information, and browsing patterns for audience segmentation
  • Syncs user identifiers with advertising partners for cross-platform targeting
  • On advertiser sites, tracks conversion events and attributes them to Quantcast ad campaigns
  • Participates in real-time bidding auctions for programmatic ad delivery

Consent & Compliance

  • Category: Marketing / Analytics
  • GDPR: Requires consent. Builds cross-site user profiles, syncs identifiers with ad partners, and performs behavioral targeting.
  • CCPA: Cross-site audience profiling and identifier syncing qualifies as sale/sharing of personal information.
  • ePrivacy: Sets multiple tracking and advertising cookies. Consent required.

Should You Block This Without Consent?

Yes. Quantcast performs cross-site audience profiling and advertising targeting. Block until marketing consent is granted.

Visit website

Consent Categories

Marketing
Analytics

Also Known As

QuantcastQuantcast MeasureQuantcast AdvertiseDSPaudience intelligenceprogrammatic advertisingpublisher analytics

Industries

Computers Electronics and Technology

Tracked Domains (1)

quantserve.comMarketing

Frequently Asked Questions

Does Quantcast require cookie consent?

Yes. Quantcast carries both marketing and analytics tags. Its Measure and Advertise products collect audience signals for programmatic ad buying and attribution. Under GDPR, explicit opt-in consent is required for both analytics and advertising uses. CCPA opt-out rights apply to data used in ad targeting.

What does Quantcast collect from site visitors?

Quantcast scripts collect page views, audience segment data, and behavioral signals used for publisher analytics (Quantcast Measure) and programmatic ad targeting (Quantcast Advertise). Cookies track visitors across publisher and advertiser sites for frequency capping and cross-site attribution.

How does ConsentStack detect Quantcast?

ConsentStack detects Quantcast by its pixel and measurement script domains and assigns it to the Marketing consent category. Both Measure and Advertise scripts are blocked until the visitor consents. When marketing consent is granted, ConsentStack allows Quantcast scripts to fire and collect audience data.

Related Vendors

Google Ads
Google Ads
Google Ads is Google's advertising platform for search, display, and remarketing campaigns. Conversion tracking scripts fire on advertiser landing pages to measure actions taken after ad clicks. The remarketing tag builds audience lists for retargeting users across Google's ad network.
Google
Google
Google is the dominant provider of web analytics, advertising, and infrastructure tools. Scripts like Google Analytics, Tag Manager, Ads, and reCAPTCHA collect behavioral data, manage tag firing, serve targeted ads, and detect bots. Sets persistent cookies to track users and correlate activity across sites.
Microsoft Dynamics 365
Microsoft Dynamics 365
Microsoft Dynamics 365 is a suite of CRM and ERP applications that integrates with websites through tracking scripts and embedded forms. Web tracking code captures visitor behavior, page views, and form submissions to build customer profiles and score leads. Sets cookies to identify returning visitors and attribute marketing touchpoints across sessions.
Microsoft
Microsoft
Runs Clarity (session recording and heatmaps), the Microsoft Advertising UET tag (conversion tracking), and Bing's remarketing pixel. Clarity injects a recording script that captures mouse movements, clicks, and rage clicks. The UET tag fires conversion events to tie ad clicks to on-site actions across Microsoft's ad network.
Microsoft Advertising UET Tag
Microsoft Advertising UET Tag
Microsoft Advertising UET Tag is the Universal Event Tracking pixel for Microsoft's ad platform, formerly Bing Ads. The JavaScript tag fires on advertiser websites to track page views, conversions, and custom events for campaign optimization. Sets cookies to identify visitors across sessions and attribute conversions to Microsoft Search and Audience Network ad clicks.
LinkedIn Ads
LinkedIn Ads
LinkedIn Ads is LinkedIn's advertising platform for B2B marketing and professional audience targeting. Conversion tracking scripts and pixels fire on advertiser websites to measure sign-ups, downloads, and purchases driven by LinkedIn ad campaigns. Sets cookies for audience matching, retargeting list building, and cross-device attribution reporting.

Manage consent for Quantcast

ConsentStack automatically detects and manages Quantcast trackers so your site stays compliant with global privacy regulations.

Get started free