Emulators neglect these differences, misrepresenting the way your site appears. But what kinds of errors do mobile emulators generate?Įach browser and operating system renders default elements, such as buttons and scrollbars, differently. There’s no replacement for testing on real devices. Again, critical variables in the mobile UX are left out by emulators. For example, the iPhone 6 Plus has a “ downsampling” process that’s not used on most other devices and it certainly impacts how a page is displayed. You must check your website on the actual physical devices to see what your site visitors will truly experience.įurthermore, emulators don’t always take into account the details of the native processing on each device. ![]() That rendering engine is used by the browser to interpret the HTML and CSS code, and consequently, mobile emulators can miss serous design flaws and coding bugs. Emulators don’t necessarily test the same rendering engine as used on the actual device. Here’s why mobile emulators like BrowserStack fall short. BrowserStack relies on mobile device emulators, so it can’t be relied on 100% for a native experience.” Jordan Lewis, Front End Developer, EnvatoAnd they add, “This is the closest that one gets to a real device.”īut is “close” good enough? What if close hides failure? What if less than perfect rendering fails to disclose your website’s bugs, glitches, and errors? Emulator-based tools use an application, typically supplied by the OS manufacturer, which are coded to simulate the operations of the mobile devices, right on your desktop. I usually resort to using it for bug fixing rather than regular website testing. ![]() ![]() BrowserStack lets you test on “the official Google Android emulator, Apple iOS simulator and Opera Mobile emulator.” “It’s great to have access to almost every conceivable OS and browser combination, but can be very sluggish and hard to test interactions. Its mobile tests results are based on mobile emulators, not real devices.
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