How AI helps QA teams handle challenging cross-browser and cross-platform testing

Learn how AI is enabling software QA teams to handle the complexities of cross-browser and cross-platform testing.

Learn how AI is enabling software QA teams to handle the complexities of cross-browser and cross-platform testing.

June 8, 2023
Tamas Cser

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Learn how AI is enabling software QA teams to handle the complexities of cross-browser and cross-platform testing.

In the fast-paced world of software development, delivering flawless user experiences across a multitude of browsers and platforms remains a formidable challenge for Quality Assurance (QA) teams. Web and mobile applications are growing exponentially,  and consistently ensuring compatibility and performance has become an intricate task that demands extensive time, resources, and expertise. However, Artificial Intelligence (AI) has emerged as a game-changer, revolutionizing how QA teams handle the complexities of cross-browser and cross-platform testing. AI-powered testing tools help QA professionals tackle these challenges more effectively, streamlining the testing process, improving accuracy, and accelerating overall software development cycles. This article explores the transformative impact of AI on QA teams as they overcome the hurdles of cross-browser and cross-platform testing, and ultimately deliver robust and reliable applications in today's diverse digital landscape. But before delving into the main topic, let us first understand what cross-platform testing is and why it is  important.

What are Cross-platform and Cross-browser Testing?

Cross-platform testing is the process of testing software applications to ensure correct functionality and desired performance across multiple platforms. In simpler terms, it involves checking if an application works correctly and consistently on different operating systems (such as Windows, macOS, iOS, and Android) and devices (such as smartphones, tablets, and desktop computers). The aim is to ensure a seamless user experience regardless of the platform being used. For example, cross-platform testing ensures that an app functions smoothly on both an Android smartphone and an iPhone, accommodating variations in hardware, software, and user interfaces.

On the other hand, cross-browser testing focuses specifically on testing web applications across different web browsers. Web browsers such asGoogle Chrome, Mozilla Firefox, Safari, and Microsoft Edge interpret and render web pages differently, which can lead to variations in how an application appears, and even functions. Cross-browser testing aims to address any inconsistencies, ensuring that the application operates consistently across various browsers. Users access web applications using different browsers, and it is crucial to deliver a consistent experience across all major browsers to reach a wider audience.

The Potential Issues With Insufficient Cross-Browser and Cross-Platform Testing

When QA teams overlook cross-browser or cross-platform testing, it can lead to several practical issues that negatively impact the product’s user experience. Here are a few examples of potential problems:

  1. Inconsistent User Experience: Each web browser or platform may interpret code and render pages differently. The application may work well on one browser but have layout issues, broken functionality, or misaligned elements on another. This can result in an inconsistent and frustrating user experience, with users encountering errors or being unable to complete tasks on their typical user journeys. 
  2. Compatibility Issues: Different browsers and platforms may have varying levels of support for web standards, APIs, or technologies. Certain features or functionalities may not work as intended or may not be supported at all on certain browsers or platforms. This can limit the usability of the application, potentially alienating a significant portion of the user base.
  3. Performance and Speed Problems: Cross-platform testing also helps identify performance bottlenecks or speed issues specific to certain browsers or platforms. If testing is not comprehensive, there is a risk of overlooking browser-specific performance problems, such as slow loading times, high resource consumption, or inefficient code execution. This can result in sluggish performance, causing frustration and discouraging users from engaging with the product.
  4. Security Vulnerabilities: Different browsers and platforms have varying security mechanisms and levels of vulnerability to specific threats. Failing to conduct cross-browser or cross-platform testing can leave vulnerabilities undiscovered, potentially exposing the application and its users to security risks. These vulnerabilities may range from cross-site scripting (XSS) or injection attacks to privacy breaches or unauthorized access to sensitive data.

The Challenges of Cross-Browser and Cross-Platform Testing for QA Teams

Cross-browser and cross-platform testing pose significant challenges for Quality Assurance (QA) teams due to several reasons:

  1. Browser and Platform Diversity: The digital landscape comprises numerous web browsers and platforms, each with its own unique features, rendering engines, and compatibility quirks. QA teams need to account for a wide range of browsers, including popular options such asGoogle Chrome, Mozilla Firefox, Safari, and Microsoft Edge, across multiple versions. Additionally, the diversity in operating systems such as Windows, macOS, iOS, and Android further complicates the testing process. Ensuring consistent functionality and performance across this vast array of combinations requires meticulous planning, extensive testing resources, and in-depth technical expertise.
  2. Complex Interactions: Modern web applications often incorporate sophisticated features, dynamic content, and complex interactions. Ensuring these elements work seamlessly across various browsers and platforms can be challenging. Differences in how browsers handle JavaScript, CSS, HTML, and other web technologies can lead to variations in rendering, behavior, and performance. QA teams must thoroughly test these interactions on different browsers and platforms to address any inconsistencies or compatibility issues that may arise.
  3. Rapidly Evolving Technologies: Browsers and platforms evolve continuously, with frequent updates and new versions introducing changes to enhance user experiences. This dynamic nature of web technologies presents a challenge for QA teams to keep up with the latest updates and ensure compatibility. Moreover, emerging technologies like progressive web apps (PWAs), responsive design, or browser-specific APIs introduce additional complexity. Staying updated with these advancements and adapting testing strategies accordingly is vital to maintaining a high standard of cross-browser and cross-platform compatibility.
  4. Time and Resource Constraints: Performing comprehensive cross-browser and cross-platform testing requires significant time, effort, and resources. QA teams must invest in multiple devices, operating systems, and browser configurations to adequately cover a broad spectrum of user scenarios. Managing these resources efficiently within project timelines can be a logistical challenge. Additionally, conducting rigorous testing across multiple environments can extend the overall testing cycle, potentially delaying the product release.

Now Let's Explore How AI Can Address the Challenges of Cross-Browser and Cross-Platform Testing

  1. Browser and Platform Diversity: AI can help QA teams handle the challenge of diverse browsers and platforms by leveraging automated testing frameworks. AI-powered testing tools can simulate user interactions, test cases, and scenarios across multiple browsers and platforms simultaneously. These tools use AI algorithms to detect browser-specific rendering issues, identify compatibility gaps, and provide insights on optimizing code for better cross-browser and cross-platform performance.
  2. Complex Interactions: AI can help address complex interactions by employing machine learning algorithms to analyze the behavior of web applications across different browsers and platforms. By training models on vast amounts of data, AI can predict potential compatibility issues, suggest remedial actions, and even automatically generate test scripts for complex interactions. This streamlines the testing process and enables QA teams to focus on critical areas that require human expertise.
  3. Rapidly Evolving Technologies: AI can help QA teams  keep up with rapidly evolving technologies by monitoring and analyzing updates to browsers, platforms, and web standards. AI algorithms can identify changes that might impact cross-browser compatibility and provide recommendations for necessary changes to  testing strategies. Additionally, AI-powered tools can track compatibility issues reported by users, automatically categorize and prioritize them, and provide insights for quick resolutions.
  4. Time and Resource Constraints: AI-based test automation frameworks can significantly reduce the time and resource requirements of cross-browser and cross-platform testing. By automating repetitive testing tasks, AI allows QA teams to efficiently cover a wide range of browsers and platforms without extensive manual effort. This accelerates the testing process, enabling faster feedback cycles and product releases. AI can also optimize test execution by identifying the most critical combinations of browsers and platforms to prioritize.

However, that’s not all. In addition to the four mentioned cases, AI can provide assistance in cross-browser and cross-platform testing in the following ways:

  1. Bug Detection and Diagnosis: AI-powered testing tools can leverage machine learning algorithms to identify patterns and anomalies in test results. By comparing expected and actual outcomes across different browsers and platforms, AI can detect potential bugs or compatibility issues and provide detailed insights into the root causes. This helps QA teams efficiently diagnose issues.
  2. Adaptive Test Automation: AI can enable adaptive test automation, where testing frameworks dynamically adjust to changes in browsers and platforms. By continuously monitoring updates, AI algorithms can adapt test scripts and configurations to ensure compatibility with the latest versions. This reduces the manual effort required to update test cases and ensures ongoing compatibility with evolving technologies.
  3. Virtualized Testing Environments: AI can facilitate the creation of virtualized testing environments, enabling QA teams to simulate a wide range of browsers, platforms, and device configurations. AI-powered virtualization platforms can help them comprehensively test various combinations and versions without the need for extensive physical infrastructure.
  4. Performance and Load Testing: AI algorithms can analyze performance metrics and user interaction patterns to optimize performance and load testing. By generating realistic user scenarios and dynamically adjusting the test load based on real-time data, AI can simulate more accurate and scalable testing environments, contributing to optimal performance across browsers and platforms.
  5. Predictive Analytics: AI can leverage historical test data and performance metrics to predict potential compatibility issues in future releases. AI algorithms can analyze patterns and proactively identify areas that may require testing attention, allowing QA teams to focus their efforts and prevent potential issues.


AI offers many benefits that help  address the challenges of cross-browser and cross-platform testing. QA teams can leverage AI-powered solutions to overcome the complexities of browser and platform diversity, complex interactions, rapidly evolving technologies, and resource constraints. AI also facilitates bug detection and diagnosis, adaptive test automation, virtualized testing environments, performance and load testing optimization, and predictive analytics. 

To conclude, QA teams can use AI to enhance the reliability, compatibility, and overall quality of software applications across different browsers and platforms. Embracing AI in cross-browser and cross-platform testing empowers organizations to deliver seamless user experiences, expand their user base, and stay ahead in today's dynamic digital landscape.