StackPulse detects Google Tag Manager on 33,086 websites — 28.73% of the 115,150 domains in the index — making it the #1 tag management technology we track. Updated October 27, 2026.
StackPulse currently detects Google Tag Manager on 33,086 websites, which is 28.73% of the 115,150 domains in the index. The count is refreshed as the crawler re-scans the web.
How do I check whether a website uses Google Tag Manager?
Open the free StackPulse lookup, enter the domain and the tag management section will list Google Tag Manager if its scripts, headers or markup are present. Developers can call GET /v1/lookup/:domain.
Can I download a list of websites that use Google Tag Manager?
Yes. Lead Export filters the index by Google Tag Manager (optionally combined with other technologies) and streams the matching domains as CSV, up to 50,000 rows per file.
What is Google Tag Manager?
Google Tag Manager is a tag management technology. It ranks #1 of 3 tag management technologies by number of websites in the StackPulse index.
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