Transforming CTV Audience Measurement Through Independent Impression Tracking
A leading US audience analytics provider replaced DSP log dependency with pixel-based ground truth — capturing more signals, higher precision, and full data ownership.
The challenge
In the Connected TV ecosystem, independent data validation is a strategic necessity. As advertising budgets migrate toward streaming, the industry's reliance on Demand-Side Platform (DSP) ad logs has created a transparency vacuum — measurement providers operate as observers of walled-garden data rather than independent auditors.
One of the largest audience analytics companies in the USA needed to break this dependency. Their existing workflow relied on FreeWheel's external log delivery, which constrained data control, processing speed, and the ability to independently validate campaign performance. The measured data was derived from the same entity responsible for delivery — a structural conflict.
No independent signals
No secondary, pixel-based tracking mechanism to validate DSP-provided data — unable to audit campaign performance independently.
DSP log dependency
Workflow historically reliant on FreeWheel's external log delivery, constraining data control and processing speed.
Creative-level granularity
Needed more precise data collection directly from the ad creative at the point of execution to improve household matching.
The solution
Ingest Labs deployed a pixel-based impression tracking solution rooted in composability, interoperability, and scalability — designed to bypass the limitations of monolithic, proprietary reporting interfaces.
A dual-tagging strategy employed both a JavaScript tag and a 1x1 image fallback to ensure total coverage across the fragmented CTV device landscape. By leveraging FreeWheel's macro-mapping capabilities, Ingest Labs captured critical metadata in real-time — auction IDs, campaign IDs, creative IDs, and impression IDs — directly from the ad creative at the point of execution.
Privacy and compliance were maintained through a rigorous protocol: rotating daily salt for PII hashing (IP and User Agent) before storage, plus IP truncation to /24 for IPv4 and /48 for IPv6 to ensure household-level analysis remained privacy-safe.
The architecture leveraged Kinesis, PubSub, and SQS for stream buffering with S3 storage — providing infinite horizontal scalability for CTV traffic spikes. Automated S3/SFTP delivery ensured daily CSV files were dropped consistently at 07:00 AM CT.
Results
Validated over a 24-day window (October 2–25, 2025) comparing Ingest Labs pixel-based tracking against the existing DSP log baseline.
| Metric | Ingest Labs | BAU Baseline | Insight |
|---|---|---|---|
| Total Impressions | 1,237,785 | 1,247,714 | 99.2% volume consistency |
| Raw IP Counts | 106,032 | 95,816 | +10.6% Ingest Labs advantage |
| Verified Household IPs | 17,822 | 16,577 | +7.5% advantage for Ingest Labs |
| Strict Match HH Conv Rate | 10.6% | 8.3% | Higher signal precision |
| MAID Efficiency | 6.5% | 4.8% | Cleaner, more actionable identifiers |
Statistical reliability
Near-perfect coefficient — Ingest Labs captures the exact same temporal impression patterns as the baseline.
High IP overlap confirms the additional 10.6% IPs captured are valid signals, not noise.
Pixel-based method filters out noisy or inactive identifiers for a cleaner dataset.
All primary KPIs met
Validated by the customer as accurate and superior to DSP logs for identity resolution.
All scoped creative and campaign metadata captured accurately.
Daily CSV delivery maintained consistently at 07:00 AM CT.
Data certified as accurate with superior IP-based signal for identity resolution.
Independent, pixel-based tracking provides a more precise and voluminous signal for CTV measurement than traditional DSP logs. All achieved with pure composable architecture — without any new development work.
Ready to own your measurement data?
Independent, pixel-based tracking for CTV, web, and app — live in days.