To answer your question 100% satisfaction the best way simply to test it yourself
I do not rely on this I implement my own header to detect the browser’s user agent and OS
on example way…sticck ccs tools on the page… then on page load you can get:
Oscpu
Platform
Usergent
langauge
Page wight and width etc blah blah.
i then send didy devices including small tablets one way…and large tablets and DT and LP another…
