Cross-Browser Compatibility Testing

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 Cross-Browser Compatibility Testing


Cross-Browser Compatibility Testing

This is a really popular topic regarding QA, the Cross-Browser Compatibility Testing refers to: 
the process of evaluating and ensuring that a website or web application functions as expected and displays consistently (Layout) across different web browsers and browser versions (mayor browsers for compatibility testing are: Google Chrome, MS Edge, Firefox and Safari). Since different browsers have their own rendering engines and may interpret web code differently, cross-browser compatibility testing aims to identify and address any issues that arise from these variations.

How to define a good scope for Cross-Browser Compatibility testing:


Browser Selection: 

Identify the browsers and browser versions that are most commonly used by your target audience. This usually includes popular options like Google Chrome, Mozilla Firefox, Safari, Microsoft Edge, and Internet Explorer (if still relevant).

Device Coverage: 

Consider the different devices on which your website or web application is accessed, such as desktop computers, laptops, tablets, and smartphones. Test on devices with varying screen sizes and resolutions.

Regarding device compatibility testing, a good tip, is to test your website or web-application using the web dev tools, and setting the resolution to 390px or 420px, since those are the top mayor resolutions for mobile devices, so you can have a good idea

Website compatibility Testing Tip:
There are tools like: Browserstack, that will help you emulate and user real devices and browsers, as well like browser previews version, so you can have an automated solution for this Cross-browser compatibility tool

Operating Systems: 

Take into account the various operating systems (OS) that your target audience uses, such as Windows, macOS, iOS, and Android. Test on different combinations of browsers and operating systems to account for any OS-specific rendering issues.

There is always small differences while testing on Windows Vs MacOS, or Android Vs iOS


Functionality: 

Test the core functionality of your website or web application across different browsers. This includes user interactions, form submissions, AJAX requests, media playback, and any browser-specific functionalities you may have implemented.