Tag managers
Who left Google Tag Manager, and who still runs it
271,053 websites in the top 1M run Google Tag Manager, observed directly from the rendered page in the July 2026 crawl.
35,621
stopped running it that month
1,204
of those are 11–500 employees
38,928
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Google Tag Manager
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Google Analytics 86%Open Graph 77%Cloudflare 72%jQuery 69%core-js 65%Facebook Pixel 46%Google Font API 45%HSTS 45%HTTP/3 44%PHP 42%
Share of a 3,000-domain sample of Google Tag Manager users that also run each.