Services for testing layout on mobile devices?

Question

Software testing

Good day, please tell me the services where it is possible to test the layout on mobile devices.
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I heard that there are some cloud services with such devices, but I can’t find anything like that ((
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Why a regular browser doesn’t work, the fact is that there are many chips that show normal in the browser, but in a real phone everything is different ((I found ordinary sites that just fit the usual extensions ((

Answer 1

responsinatop.com
quirktools.com