I understand for testing websites that run cross-platform (iOS, iPadOS, MacOS, Android & Windows) and cross-browser (Chrome, Safari, Internet Explorer, Firefox, Opera) that you're better off using physical hardware and not emulators.

When purchasing hardware for testing, is it important to have a device in different aspect ratios? For example; a current-gen iPhone 11 has an aspect ratio of 19.5:9, while iPhone X has an aspect ratio of 13:6.

Is there an up-to-date list of the necessary hardware for web development?

  • Apart from physical interaction, there's no difference in testing a website using an emulator versus a physical device
    – Nick
    Jul 14, 2020 at 22:48
  • And i also don't think companies prefer to buy hardwares to test their products cross-browser. There're tools like namely StackBrowser to serve customers in that purpose and it's even a practice to automate this process. Jul 15, 2020 at 20:59

1 Answer 1


The more different devices, the better, that way you cover most common scenarios.

For stats on what resolutions to test, take a look at StatCounter or DeviceAtlas, there you can get updated lists of most used screen resolutions worldwide.

For completeness: There are alternatives for testing on physical devices, services like Browserling and Saucelabs create a Virtual Machine that runs in your browser, for a quick test.

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