CMS
Who left Builder.io, and who still runs it
266 websites in the top 1M run Builder.io, observed directly from the rendered page in the July 2026 crawl.
53
stopped running it that month
5
of those are 11–500 employees
197
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Builder.io
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Priority Hints 87%React 82%Google Tag Manager 80%Google Analytics 79%HSTS 78%Cloudflare 77%Open Graph 74%core-js 68%Node.js 67%Emotion 63%
Share of a 266-domain sample of Builder.io users that also run each.