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WhatRuns vs WordPress Theme Detector: catalog facts
WhatRuns	WordPress Theme Detector
Free Free extension with no sign-up required.	Free Free to use.
Browser extension	Web
One-click technology detection Covers plugins, fonts, analytics and CDNs	Identifies both the theme and active plugins No sign-up needed
Proprietary Only a Chrome version is mentioned	Only useful for sites built on WordPress The site uses third-party analytics cookies
Browser extension	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.