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Who left Ace, and who still runs it
337 websites in the top 1M run Ace, observed directly from the rendered page in the July 2026 crawl.
134
stopped running it that month
15
of those are 11–500 employees
479
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Ace
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
jQuery 74%core-js 61%HSTS 57%Cloudflare 50%Bootstrap 46%Google Analytics 45%Open Graph 44%Google Font API 40%jQuery UI 38%Lodash 34%
Share of a 337-domain sample of Ace users that also run each.