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EXPERTE Bulk Mobile Friendly Test vs Responsive Design Checker: catalog facts
EXPERTE Bulk Mobile Friendly Test	Responsive Design Checker
Free Free to use, with limits on crawl size and time.	Free Free to use.
Web	Web
Tests up to 500 pages in one run Crawl, URL list and keyword modes	Previews several screen sizes from one page Nothing to install
Crawls stop at 60 seconds and 500 URLs Reports a mobile-friendliness verdict rather than visual previews	Limited to five requests every five minutes Simulated viewports, not real devices
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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.