StackPulse detects GA4 on 15,295 websites — 13.28% of the 115,150 domains in the index — making it the #1 analytics technology we track. Updated October 27, 2026.
StackPulse currently detects GA4 on 15,295 websites, which is 13.28% 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 GA4?
Open the free StackPulse lookup, enter the domain and the analytics section will list GA4 if its scripts, headers or markup are present. Developers can call GET /v1/lookup/:domain.
Can I download a list of websites that use GA4?
Yes. Lead Export filters the index by GA4 (optionally combined with other technologies) and streams the matching domains as CSV, up to 50,000 rows per file.
What is GA4?
GA4 is a analytics technology. It ranks #1 of 10 analytics technologies by number of websites in the StackPulse index.
Look up any domain by API
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