>I made a saas tool for mac developers. There was once a time where this was a workable excuse, but today's browsers are actually pretty good about following s

>I made a saas tool for mac developers. There was once a time where this was a workable excuse, but today's browsers are actually pretty good about following standards. If you're doing something that works in some browser, but not all, then you're likely exploiting some weird quirk of that browser. And of course, not testing if it works in x browser is different than actively stopping your webapp from running if it doesn't detect the right browser/os combination.