Font scripts
Who left FontServer, and who still runs it
2 websites in the top 1M run FontServer, observed directly from the rendered page in the latest crawl.
Some companies running FontServer
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Cloudflare 50%Google Font API 50%HSTS 50%HTTP/3 50%Lodash 50%Nginx 50%Open Graph 50%RSS 50%Vercel 50%core-js 50%
Share of a 2-domain sample of FontServer users that also run each.