Maps
Who left Leaflet, and who still runs it
9,065 websites in the top 1M run Leaflet, observed directly from the rendered page in the July 2026 crawl.
3,072
stopped running it that month
182
of those are 11–500 employees
5,481
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Leaflet
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Livefyre 94%jQuery 73%Open Graph 73%Google Analytics 65%core-js 56%Cloudflare 54%PHP 53%Google Tag Manager 51%HSTS 49%Google Font API 43%
Share of a 3,000-domain sample of Leaflet users that also run each.