About Plone
Plone is a free and open source content management system (CMS) built on top of the Zope application server.
How many people use Plone
GitHub · npm
#76 of 130 CMS we have counts for (of 403) · bars are GitHub stars across these neighbours; the category leader is Ghost at 56k · as of November 8, 2026
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Plone#76 of 130 CMS
InstantCMS#75 of 130 CMS
Audit any site that runs Plone.
Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.
Implied technologies
Detecting Plone implies these are in the stack too - a report lists them alongside it.
How we audit Plone
We measure the detected version against Plone's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksMore technologies in CMS
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Technology definitions from a community-maintained catalogue, licensed GPL-3.0. Attribution and source.