JavaScript libraries
Who left Modernizr, and who still runs it
36,899 websites in the top 1M run Modernizr, observed directly from the rendered page in the July 2026 crawl.
8,258
stopped running it that month
547
of those are 11–500 employees
8,647
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Modernizr
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 76%Open Graph 69%Cloudflare 62%core-js 54%HSTS 51%Google Font API 47%Bootstrap 47%PHP 46%Google Tag Manager 45%
Share of a 3,000-domain sample of Modernizr users that also run each.