Analytics
Who left Fathom, and who still runs it
626 websites in the top 1M run Fathom, observed directly from the rendered page in the July 2026 crawl.
114
stopped running it that month
15
of those are 11–500 employees
277
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Fathom
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Open Graph 84%Cloudflare 76%Google Analytics 57%jQuery 54%HSTS 54%Google Tag Manager 54%core-js 50%PHP 45%HTTP/3 40%Priority Hints 37%
Share of a 626-domain sample of Fathom users that also run each.