Form builders
Who left Klaviyo Forms, and who still runs it
5,325 websites in the top 1M run Klaviyo Forms, observed directly from the rendered page in the July 2026 crawl.
721
stopped running it that month
89
of those are 11–500 employees
2,464
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Klaviyo Forms
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
core-js 100%Klaviyo 100%React 100%Preact 100%Cloudflare 93%Google Analytics 92%Open Graph 91%Cart Functionality 85%HSTS 85%Priority Hints 83%
Share of a 3,000-domain sample of Klaviyo Forms users that also run each.