AnalyticsWhat is Comscore?
Comscore is an audience-measurement and media-analytics provider. Its tag measures audience reach and demographics, and is widely used by publishers and media companies for third-party-verified traffic figures.
Why Comscore matters
Comscore is concentrated in publishing, media, and advertising-funded sites that need independently verified audience numbers to sell inventory. Its presence usually marks a media business model.
Sites using Comscore
A sample of domains in the TagStack index where Comscore was detected.
What's usually deployed alongside Comscore
Share of indexed containers running Comscore that also run each tool. Based on a sample of the index, so treat these as approximate.
Is your Comscore set up correctly?
- The tag fires on all measured pages, not just the homepage.
- Consent is honoured before the measurement pixel loads for EU visitors.
See Comscore on any website
Enter a URL to reveal its full tracking stack — every tag, pixel and consent tool — in seconds. No login or code access required.
Common Comscore alternatives
Comscore FAQ
TagStack has detected Comscore in 12,467 Google Tag Manager containers across its index of 3,278,587 scanned domains. That reflects sites deploying Comscore through GTM, so sites that install it directly in their source code are not counted.