CMS
Who left WebGUI, and who still runs it
3 websites in the top 1M run WebGUI, observed directly from the rendered page in the July 2026 crawl.
1
stopped running it that month
0
of those are 11–500 employees
Confirmed across two consecutive crawls, not a single month. Build the list →
Some companies running WebGUI
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
HSTS 100%Perl 100%jQuery 100%Apache HTTP Server 100%Google Analytics 67%jQuery UI 33%IONOS 33%Mailjet 33%Modernizr 33%Open Graph 33%
Share of a 3-domain sample of WebGUI users that also run each.