Email; Marketing automation
Who left Omnisend, and who still runs it
3,217 websites in the top 1M run Omnisend, observed directly from the rendered page in the July 2026 crawl.
709
stopped running it that month
27
of those are 11–500 employees
1,399
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Omnisend
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%Cloudflare Bot Management 98%Sentry 98%core-js 95%Open Graph 91%Google Analytics 91%HTTP/3 87%Priority Hints 86%Cart Functionality 85%HSTS 81%
Share of a 3,000-domain sample of Omnisend users that also run each.