Web servers
Who left WEBrick, and who still runs it
6 websites in the top 1M run WEBrick, observed directly from the rendered page in the July 2026 crawl.
Some companies running WEBrick
Every row in a full list carries the prospect's whole detected stack.
Not currently available as a list.
What else they run
Ruby 100%Google Analytics 50%jQuery 50%Ruby on Rails 50%Bootstrap 33%Zoho 33%core-js 33%Google Font API 33%Facebook Pixel 33%Amazon Web Services 33%
Share of a 6-domain sample of WEBrick users that also run each.