CMS
Who left WHMCS, and who still runs it
234 websites in the top 1M run WHMCS, observed directly from the rendered page in the July 2026 crawl.
41
stopped running it that month
1
of those are 11–500 employees
48
adopted it in the last year
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running WHMCS
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
jQuery 100%Bootstrap 100%DataTables 97%Cart Functionality 84%Lightbox 79%Cloudflare 71%Google Analytics 60%core-js 53%reCAPTCHA 47%HTTP/3 47%
Share of a 234-domain sample of WHMCS users that also run each.