Update 1: Peter Gasston made a great point that a very major “browser” (well, a WebView) I have not mentioned here is Facebook. Another example of the frequent omissions in the “browsers” we think and talk about!
Also, if you simply focus on the browsers of your existing users, you might fail to spot the trends for your potential users. Bruce Lawson covers this brilliantly in “World Wide Web, Not Wealthy Western Web”:
…o not break out browsers like Samsung Internet (which is based on Chromium) correctly. For example, if you rely only on Google Analytics, you may not be seeing the whole story: