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Cross-Platform Testing Guide (2023): 6 Steps to Ensure Cross-Platform Compatibility

Yoong Shien
July 3, 2023
5-star rating
Reviews on Capterra
Cross-Platform Testing Guide (2023): 6 Steps to Ensure Cross-Platform Compatibility

As we embrace the digital era, the diversity in devices and platforms that users interact with has drastically increased. From various operating systems like Windows, macOS, Android, and iOS to different browsers such as Chrome, Safari, Firefox, and Edge, the options are vast.

Ensuring a consistent and seamless user experience across all these different platforms has become a key component of successful digital products. This is where cross-platform testing plays a pivotal role.

What is Cross-Platform Compatibility?

Cross-platform compatibility refers to the ability of a software, website, or application to function optimally across different operating systems, browsers, and devices. It implies that your digital product provides a consistent user experience, regardless of whether a user is accessing it from a desktop computer running Windows and Chrome, a MacBook using Safari, or a smartphone with an Android operating system.

To achieve cross-platform compatibility, it's essential to test your software or application on all these different platforms - a process known as cross-platform testing.

The Importance of Cross-Platform Testing

Cross-platform testing is a crucial aspect of software testing. It ensures that your software or app works as intended on all targeted platforms. This has several key benefits:

  1. Improved User Experience: Cross-platform testing helps in identifying and resolving issues specific to different platforms, thus providing a consistent user experience across all platforms.
  2. Expanded Reach: By ensuring that your software works smoothly across all targeted platforms, you can potentially reach a wider audience.
  3. Better Reputation: Software that functions flawlessly across platforms gives the impression of professionalism and commitment to quality, enhancing your brand's reputation.
  4. Higher Conversion Rates: A seamless user experience across platforms increases customer satisfaction, leading to higher engagement and conversion rates.

Cross-platform testing is not without its challenges, such as the need for multiple test environments and the complexity of managing different versions of the software. However, digital analytics and testing tools like Howuku can simplify this process by providing actionable insights on the most used platforms among your user base.

In our next section, we'll delve into how to create a robust cross-platform testing plan that can effectively navigate the complexities of the cross-platform environment.

Step-by-step cross-platform testing plan

No two users have the exact same journey. Various devices, operating systems, and browsers offer unique experiences, hence the importance of a tailored and comprehensive cross-platform testing plan. Let's delve into how to create such a plan.

Step 1: Identifying Target Platforms and Devices

The first step in creating a cross-platform testing plan is identifying your target platforms and devices. Given the plethora of devices, operating systems, and browsers out there, it's virtually impossible (and unnecessary) to test on all of them. Instead, focus on those that your target audience uses the most.

A deep understanding of your audience's preferences can help determine these key platforms. Use website analytics tools to gather data on the most popular devices, operating systems, and browsers among your users.

Step 2: Prioritizing Testing Efforts

Once you've identified your target platforms and devices, the next step is prioritizing them. Not all platforms are created equal - some will be more popular among your users and should, therefore, receive more attention in your testing process.

Several factors can guide your prioritization:

  • Market share: Platforms with a larger market share often have a higher priority because they affect a larger proportion of users.
  • User base: Analyze your user data to see which platforms and devices are most popular among your audience.
  • Strategic importance: If a specific platform is essential to your business strategy (perhaps you're targeting a demographic that predominantly uses that platform), then it should be given a high priority.

For example, if your analytics show that 70% of your user base accesses your website on Android devices through Chrome, then testing on this combination should be a priority.

Step 3: Creating a Testing Matrix

A testing matrix can be a handy tool for managing your cross-platform testing process. This matrix should list all the different combinations of devices, operating systems, and browsers that you plan to test. Rank these combinations based on the prioritization strategy discussed above.

Your testing matrix will serve as a blueprint for your testing process, ensuring that no critical platform is overlooked.

Step 4: Designing and Executing Test Cases

The next step is designing test cases for each platform-device-browser combination in your testing matrix. Test cases should cover all critical functionalities of your software or app. Once these test cases are ready, execute them systematically.

Step 5: Document your findings

Proper documentation allows for effective communication among team members and provides a historical record of past tests, which can be valuable for future testing cycles and potential audits.

When documenting your findings, consider the following:

  • Include a Detailed Description: For every issue that you encounter, provide a comprehensive description. Detail what the problem is, under what conditions it occurs, and any potential effects on the user experience.
  • Attach Screenshots or Videos: Visuals can help convey issues more effectively than text alone. Where possible, include screenshots or screen recordings that demonstrate the problem.
  • List Steps to Replicate: Include a step-by-step guide on how to replicate the issue. This will allow others in your team to independently verify the problem and understand its context.
  • Assign Severity Levels: Assign a severity level to each issue, based on how significantly it impacts the user experience. This can help prioritize fixes.

Step 6: Analyze and adjust

Once you've completed testing and documented your findings, the final step is to analyze those results and make the necessary adjustments.

  • Identify Patterns: Look for commonalities in the issues you've documented. Are there specific platforms or browsers that are causing more problems? Are certain features consistently failing across multiple platforms?
  • Prioritize Fixes: Not all issues need to be fixed immediately. Use the severity levels assigned during the documentation phase to prioritize the most critical problems.
  • Root Cause Analysis: For each issue, conduct a root cause analysis to determine why it's occurring. Understanding the underlying cause can help you develop a more effective fix and can also prevent similar problems in the future.
  • Implement Fixes and Retest: Once you've adjusted your software or application to address the documented issues, it's time to retest. Make sure that your fixes haven't inadvertently caused new issues.

By diligently documenting your findings and carefully analyzing the results, you can ensure that your cross-platform testing efforts are effective and result in continuous improvement of your software or application. This approach, combined with the use of comprehensive testing tools, sets the stage for delivering a seamless user experience across platforms.

Challenges in cross-platform testing

Despite its importance, testing on real browsers and devices presents certain challenges, including:

  1. Device Availability: Having physical access to a variety of devices for testing can be difficult and expensive.
  2. Environment Setup: Configuring each device and browser can be time-consuming.
  3. Maintenance: Keeping all devices updated with the latest operating system and browser versions can be a demanding task.

To overcome these challenges, you can utilize cloud-based testing platforms that provide access to a wide range of real devices and browsers online. Additionally, automation can help reduce the burden of setting up and maintaining the test environment.

Despite the challenges, with the right strategies and tools in place, it's an achievable task. In the next section, we'll explore some helpful tips and best practices for cross-platform testing.

Cross-platform testing tools

Successful cross-platform testing hinges not just on meticulous planning and execution, but also on the utilization of effective testing tools. These tools automate and streamline the testing process, enabling comprehensive and accurate testing across multiple platforms.


Howuku is an all-in-one tool designed to enhance user experience and conversion rates. It offers a robust suite of features that can significantly simplify cross-platform testing.

  1. Real-time user testing: Howuku allows you to observe how real users interact with your website or application across different platforms. This can help you identify any platform-specific issues that may not be apparent in standard testing procedures.
  2. User feedback: Howuku offers a user feedback feature where users can report issues directly. This can be invaluable in cross-platform testing, as it provides real-world data about any problems users encounter on different devices and browsers.
  3. Analytics: Howuku's analytics can provide insights into the most used platforms and devices among your user base, helping you prioritize your testing efforts.

With these features, Howuku goes beyond traditional testing tools to offer a more comprehensive and user-centered approach to cross-platform testing.


BrowserStack is a cloud-based testing platform that offers a vast range of real browsers and devices for testing purposes. It supports automated testing, making it a great choice for extensive cross-platform testing tasks.

Sauce Labs

Sauce Labs provides a cloud-based testing platform for web and mobile applications. It supports over 800 browser and OS combinations, and also offers automated testing and continuous integration options.


LambdaTest is a scalable testing platform that allows for both manual and automated cross-browser testing. It offers a broad selection of browsers and operating systems and integrates with many popular project management and CI/CD tools.


Cross-platform testing stands as a key component in the development and refinement of any digital product. In an age of diverse devices, operating systems, and browsers, ensuring your software or application functions consistently and optimally across platforms is non-negotiable.

While cross-platform testing comes with its challenges, the process is made more approachable with careful planning, efficient execution, and the use of powerful testing tools.These tools enable you to prioritize your testing based on user data and feedback, saving you precious time and maximizing your ROI.

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