Documentation
Who left Sphinx, and who still runs it
7 websites in the top 1M run Sphinx, observed directly from the rendered page in the July 2026 crawl.
Some companies running Sphinx
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Cloudflare 86%jQuery 71%Pygments 71%Google Workspace 71%Underscore.js 57%Bootstrap 57%Amazon Web Services 57%Cloudflare Bot Management 43%Google Analytics 43%Amazon S3 29%
Share of a 7-domain sample of Sphinx users that also run each.