Documentation
Who left GitBook, and who still runs it
12 websites in the top 1M run GitBook, observed directly from the rendered page in the July 2026 crawl.
Some companies running GitBook
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 100%Priority Hints 92%React 92%Cloudflare 92%HSTS 92%HTTP/3 92%RSS 83%Node.js 83%Next.js 83%Next.js App Router 83%
Share of a 12-domain sample of GitBook users that also run each.