JavaScript libraries
Who left HeadJS, and who still runs it
379 websites in the top 1M run HeadJS, observed directly from the rendered page in the July 2026 crawl.
61
stopped running it that month
8
of those are 11–500 employees
72
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running HeadJS
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
jQuery 98%Google Analytics 72%Open Graph 71%Cloudflare 64%Bootstrap 56%core-js 56%Google Tag Manager 53%HSTS 49%Google Font API 46%Nginx 46%
Share of a 379-domain sample of HeadJS users that also run each.