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WordPress Theme Detector vs BuiltWith: catalog facts
WordPress Theme Detector	BuiltWith
Free Free to use.	Freemium Free single-site lookups with paid plans for reports and bulk data.
Web	Web, Browser extension
Identifies both the theme and active plugins No sign-up needed	Identifies CMS, analytics, CDN and hosting from a single domain Free lookups for individual sites
Only useful for sites built on WordPress The site uses third-party analytics cookies	Detailed reports and bulk data require paid plans Detection is inference-based and can miss or misreport technologies
Web application	Hosted service, Browser extension
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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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