Wikis
Who left Foswiki, and who still runs it
1 websites in the top 1M run Foswiki, observed directly from the rendered page in the latest crawl.
What else they run
HSTS 100%Nginx 100%Perl 100%RSS 100%jQuery 100%jQuery Migrate 100%
Share of a 1-domain sample of Foswiki users that also run each.