Web frameworks
Who left Fat-Free Framework, and who still runs it
80 websites in the top 1M run Fat-Free Framework, observed directly from the rendered page in the July 2026 crawl.
18
stopped running it that month
2
of those are 11–500 employees
6
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running Fat-Free Framework
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
PHP 100%jQuery 90%Google Analytics 70%Bootstrap 59%Cloudflare 53%Open Graph 45%Google Tag Manager 45%core-js 44%Google Font API 43%Apache HTTP Server 33%
Share of a 80-domain sample of Fat-Free Framework users that also run each.