UI frameworks
Who left Headless UI, and who still runs it
2,439 websites in the top 1M run Headless UI, observed directly from the rendered page in the July 2026 crawl.
556
stopped running it that month
49
of those are 11–500 employees
1,900
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Headless UI
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 78%Tailwind CSS 73%Cloudflare 72%Node.js 71%Google Analytics 68%React 68%HSTS 61%Google Tag Manager 56%Webpack 56%Next.js 54%
Share of a 2,439-domain sample of Headless UI users that also run each.