JavaScript libraries
Who left JsObservable, and who still runs it
299 websites in the top 1M run JsObservable, observed directly from the rendered page in the July 2026 crawl.
21
stopped running it that month
3
of those are 11–500 employees
87
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running JsObservable
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
JsRender 100%JsViews 100%jQuery 100%Google Analytics 63%Open Graph 59%jQuery UI 56%Bootstrap 53%Cloudflare 47%core-js 40%HSTS 37%
Share of a 299-domain sample of JsObservable users that also run each.