ConsentLens
Tag managerHigh consent risk

Google Tag Manager GDPR compliance and consent risk

Google Tag Manager loads and manages third-party tracking scripts. Its presence implies potential indirect tracking. This page combines ConsentLens detection rules with live public scan data so you can see how often Google Tag Manager appears, whether it fires before consent, and which compliance issues it tends to create.

68%

Of scanned sites

263 of 384 public sites include Google Tag Manager.

0%

Fire before consent

0 detected sites fired it before a user could consent.

0%

Seen after rejection

No post-rejection evidence found in public scan data.

HIGH

Consent risk

Tag manager tracker classified from ConsentLens tracker database.

How ConsentLens detects Google Tag Manager

Domains

  • googletagmanager.com
  • www.googletagmanager.com

Globals

  • window.dataLayer

Script patterns

  • gtm.js
  • GTM-

ConsentLens combines these signals with request timing. If Google Tag Manager sends a data request during the first 500ms of page load, it is treated as a pre-consent tracking risk and connected to the relevant scan evidence.

Common compliance issues

Tag manager detected with no consent mechanism

154

Tag manager present — verify all tags respect consent

109

Google Conversion Linker tracking cookie set without consent

55

Example public scans detecting Google Tag Manager

DomainScoreConsent timing
devomech.com20/100No early fire
zazz.io20/100No early fire
beewebsystems.com20/100No early fire
cybercraftinc.com20/100No early fire
angrynerds.co20/100No early fire
isbx.com20/100No early fire
ulansoftware.com20/100No early fire
feecreative.com20/100No early fire
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