JavaScript libraries
Who left Highlight.js, and who still runs it
2,092 websites in the top 1M run Highlight.js, observed directly from the rendered page in the July 2026 crawl.
704
stopped running it that month
72
of those are 11–500 employees
1,796
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Highlight.js
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
jQuery 89%Google Analytics 64%Cloudflare 60%PHP 59%core-js 56%Open Graph 56%Bootstrap 53%jQuery UI 50%Google Font API 47%Google Tag Manager 47%
Share of a 2,092-domain sample of Highlight.js users that also run each.