Customer data platform
Who left Tail, and who still runs it
119 websites in the top 1M run Tail, observed directly from the rendered page in the July 2026 crawl.
11
stopped running it that month
2
of those are 11–500 employees
28
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Tail
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 100%Google Tag Manager 97%Open Graph 91%Cloudflare 77%Facebook Pixel 73%jQuery 72%core-js 67%reCAPTCHA 61%Cloudflare Bot Management 61%HTTP/3 58%
Share of a 119-domain sample of Tail users that also run each.