Analytics
Who left Heap, and who still runs it
369 websites in the top 1M run Heap, observed directly from the rendered page in the July 2026 crawl.
51
stopped running it that month
9
of those are 11–500 employees
137
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Heap
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Google Analytics 89%core-js 78%Cloudflare 77%Google Tag Manager 76%Open Graph 70%HSTS 67%Amazon Web Services 64%Facebook Pixel 62%Cloudflare Bot Management 59%jQuery 55%
Share of a 369-domain sample of Heap users that also run each.