There are services but most are paid, or require crazy setups.
It's often easier to just crack open all your browsers and emulators (e.g. XCode iOS). Or ideally, checking caniuse.com for the feature - since it's difficult to test stuff like older iPhones.
Ideally you check your site's analytics to determine what the range of your user's devices and browsers, and test the most common of those (rather than running the gamut).
Hmmm ... so it remains a dark art. :D Thanks for the reply!
basically! 🧙♀️ no worries. best of luck with your learning 👍
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