WordPress themes
Who left Twenty Twenty-One, and who still runs it
305 websites in the top 1M run Twenty Twenty-One, observed directly from the rendered page in the July 2026 crawl.
114
stopped running it that month
9
of those are 11–500 employees
150
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Twenty Twenty-One
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
MySQL 100%PHP 100%WordPress 100%jQuery 93%RSS 86%jQuery Migrate 76%Google Analytics 75%Open Graph 74%Cloudflare 64%core-js 58%
Share of a 305-domain sample of Twenty Twenty-One users that also run each.