Email; Marketing automation
Who left ConvertKit, and who still runs it
442 websites in the top 1M run ConvertKit, observed directly from the rendered page in the July 2026 crawl.
157
stopped running it that month
4
of those are 11–500 employees
173
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running ConvertKit
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Cloudflare 99%Open Graph 97%Cloudflare Bot Management 94%PHP 93%MySQL 92%WordPress 92%Google Tag Manager 90%Priority Hints 89%Google Analytics 86%Yoast SEO 82%
Share of a 442-domain sample of ConvertKit users that also run each.