Issue trackers
Who left Marker, and who still runs it
264 websites in the top 1M run Marker, observed directly from the rendered page in the July 2026 crawl.
60
stopped running it that month
6
of those are 11–500 employees
231
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Marker
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 92%Cloudflare 85%core-js 84%Open Graph 83%HSTS 80%Google Tag Manager 76%Facebook Pixel 68%jQuery 66%Cloudflare Bot Management 62%HTTP/3 56%
Share of a 264-domain sample of Marker users that also run each.