Advanced Cross-Browser Testing Strategies

We currently inhabit an era where over 5 lakh websites are generated daily. Just 1.5 million of the approximately 4 million websites today are active. And the others? Records show that 62% of mobile application uninstalls occur due to mobile crashes, such as poor responsiveness and alignment issues that are indirectly related to insufficient test websites in different browsers. In comparison, 90% of online applications crash owing to browser compatibility issues. These depressing figures highlight how vital cross-browser testing is for creating a fully functional online or mobile application.

Cross-browser testing is regularly kept up to date by QAs and developers from various organizations. However, developing a plan can help you avoid the obstacles that prevent your application from being released on time. It’s time to reassess our cross-browser testing tools and procedures and look for more appropriate substitutes.

Now, let’s discuss some excellent strategies to make cross-browser testing easier, quicker, more qualitative, and more practical.

Understanding Cross-Browser Testing

An essential part of web development is cross-browser testing, so we have to check that a website or web application opens correctly on different browsers like Internet Explorer, Firefox, Chrome, and Safari. It is the specific process whereby a website’s operability, speed, and suitability regarding various browsers and versions are examined. Developers can fix any rendering, layout, or script problem caused in a browser resulting from differences in the underlying engines or CSS rendering or between JavaScript execution and HTML interpretation by carrying out cross-browser testing. This process ensures a fully integrated browsing experience regardless of the client’s browsers. Every user has the opportunity to access and operate our website.

A methodical strategy is necessary for effective cross-browser testing, beginning with identifying the target browsers as per the demographics and preferences of website users. After that, test cases cover various topics, including functionality, style, layout, and performance on multiple devices and browsers. While automated testing services and tools can expedite the process by running test scripts concurrently in several browsers, manual testing enables a more in-depth analysis of particular functionalities and edge cases.

Regression testing and constant monitoring are necessary to keep compatibility when browsers release updates and new versions. Comprehensive cross-browser testing is essential to provide a dependable and consistent online experience across various platforms and devices, increasing user engagement and satisfaction.

Advanced Cross-Browser Testing Strategies

The elimination of cross-browser testing will have a devastating effect that will ruin a product or website, causing users to utilize an alternative destination on the internet. You can improve your cross-browser testing procedure by implementing these sophisticated techniques:

Utilizing Cloud-Based Testing Platforms

Cloud-based testing systems are one of the best methods for thorough cross-browser testing. Developers may test their websites simultaneously across several browsers, versions, and operating systems thanks to these platforms’ wide range of real browser scenarios. By employing cloud-based testing tools, teams may ensure comprehensive testing coverage and save time and resources.

Leveraging Virtualization and Emulation

Thanks to technologies like virtualization and emulation, developers may emulate many browser experiences inside a single machine. Using virtual machines or emulators, developers may test their websites in situations resembling real-world settings by replicating different browser configurations. With this strategy, teams may find and fix compatibility problems early in development.

Implementing Responsive Design Principles

Nowadays, Responsive design is a vital part of the daily-basis approach that guarantees all devices allow users to go through the unproblematic process. The adaptive design method combined with advanced cross-browser techniques lets designers build web pages to change their size and resolution in line with screen size. Websites may be tested on various devices and viewport sizes to help developers find and address layout problems before they affect user experience.

Testing with User-Agent Switching

Browser user agents are the mechanisms the browser uses to send HTTP header information for identification. Switching user agents is changing that information to mimic how another browser or device can work. The developers no longer have to take the time to install various browsers, and changing the user agents enables them to test how their websites perform and appear in different browser contexts. Teams can swiftly detect compatibility issues and streamline the testing process with this method.

Using Cloud-Based Testing Platforms for Comprehensive Testing

Developers can access various natural browser settings with the help of cloud-based testing platforms like LambdaTest, a well-known cloud-based testing tool. Teams can guarantee compatibility across numerous platforms using LambdaTest for comprehensive cross-browser testing on desktop and mobile browsers.

LambdaTest is an AI-powered test orchestration and execution platform that lets you run manual and automated tests at scale with over 3000+ real devices, browsers, and OS combinations. This platform has capabilities like visual regression testing, automated testing, and live testing and is a handy tool for developers who want to create online experiences that work smoothly in various browser scenarios.

Implementing Visual Regression Testing

Visual regression testing compares screenshots of the two versions to find any visual differences between a website’s older and newer versions. This method aids developers in identifying inadvertent modifications brought about by code upgrades or problems unique to a specific browser. Teams can guarantee that their websites retain a consistent visual appearance across browsers and versions by including visual regression testing in their testing plan.

Continuous Integration and Deployment (CI/CD) for Cross-Browser Testing

The tester can automate Team CI/CD pipelines for the testing run, and bugs will be found early in the dev cycle by providing QA cross-browser testing. Teams can quickly find and repair problems by running tests automatically whenever new code is posted to the repository. It guarantees that their websites function correctly in various browsers and settings. Additionally, CI/CD enables quicker and more frequent releases, which aids teams in more effectively introducing new features to users.

Performance Testing Across Different Browsers

Performance testing measures the scalability, responsiveness, and speed of the website’s behavior on multiple browsers and devices. Browsers and different environmental contexts should be assessed concerning speed since, with the increase of the website’s performance, user experience becomes more distinct. Teams able to satisfy end-users by working out issues that slow website speed across all platforms can do that by identifying all bottlenecks and upgrading site performance.

Accessibility Testing Across Multiple Browsers

Checking out a website’s compliance with accessibility guidelines and directives like WCAG (Web Content Accessibility Guidelines) ensures that the website is usable by people with disabilities. The crucial thing is to carry out cross-browser, medium-assistive technology testing of the website, as accessibility is becoming a legal requirement in many regions. Teams may involve individuals with different needs on their websites right from the start of the testing process.

Test Case Management and Prioritization

Clear and meaningful classification of test cases regarding value as user test cases is compulsory for proper test case administration. By classifying test cases based on browser usage statistics and user behavior trends, statement teams may target test efforts to the most meaningful user experience domain. Ordering test case priorities will provide teams with practical ways to prioritize their work and ensure that an in-depth investigation of high-impact issues is done first.

Handling Edge Cases and Browser Quirks

Developers frequently run into edge situations and browser oddities during cross-browser testing, which can impact the usability and functionality of websites. Finding and fixing these edge situations early ensures that websites function correctly in various browser contexts. Teams can reduce the possibility of compatibility problems and provide a consistent user experience by understanding browser quirks and testing for edge circumstances.

Best Practices for Cross-Browser Testing

Web applications are tested to ensure they work correctly on various browsers and devices. Observe the following recommended practices:

Define Supported Browsers

Decide which browsers your web application will support and which versions of each. Consider elements like your target audience and market share when determining browser support.

Use Browser Vendor Documentation

Learn how to use the documentation that comes with popular browsers, including Apple Safari, Microsoft Edge, Mozilla Firefox, and Google Chrome. Recognize their unique characteristics, rendering engines, and peculiarities to foresee compatibility problems.

Implement Responsive Design

Create a responsive web application that can adjust to different screen sizes and resolutions. Employ media queries and adaptable layout strategies to guarantee a unified user experience on desktop, tablet, and mobile devices.

Test Early and Often

Early in the development phase, begin cross-browser testing and maintain regular testing. Early compatibility problem-solving saves money on expensive fixes later in the development process.

Prioritize Critical Functionality

Prioritize user flows and essential functionality while conducting cross-browser testing. Determine the vital functionalities that need to function in every supported browser and order the testing of those features.

Utilize Browser Testing Tools

Utilize browser testing services and tools to expedite the testing procedure. Various browsers and devices are available for testing thanks to programs like LambdaTest, BrowserStack, Sauce Labs, and CrossBrowserTesting.

Automate Testing

Automate repetitive operations related to cross-browser testing by utilizing frameworks such as Puppeteer or Selenium WebDriver. Time is saved, and consistent test execution across various browser environments is ensured via automated testing.

Perform Manual Testing

Even if automation has benefits, human testing is necessary to find browser-specific behaviors, usability problems, and visual inconsistencies. Carry out comprehensive manual testing across various browsers and devices to verify the user experience.

Check Browser Console for Error

During testing, watch for JavaScript failures, CSS warnings, or rendering problems in the browser console. Timely resolution of console problems contributes to a seamless surfing experience for users.

Document Test Cases and Results

Keep track of test cases, intended behavior, and actual outcomes to monitor the progress of cross-browser testing. To help with cooperation and issue fixes, keep test case results in one location and communicate them to the development team.

Stay Updated on Browser Changes

Keep up with upgrades and modifications to rendering engines and browser versions. Test your web application frequently on developer previews or beta versions to find compatibility problems early.

Collect User Feedback

Invite users to share their opinions about the various browsers and gadgets they have used to surf. User feedback can assist in prioritizing improvements by identifying problems that were missed during testing.

By adhering to these recommended standards, customers can get a seamless cross-browser experience and reduce compatibility problems across different browser contexts.


To sum up, cross-browser testing is an essential step in making sure that online applications work, are accessible, and provide a positive user experience in a variety of browser contexts. As this article has made clear, the dynamic field of web development demands sophisticated approaches and meticulous attention to detail in testing procedures.

Through the use of advanced methods like virtualization, emulation, and cloud-based testing platforms, developers may effectively detect and resolve compatibility problems across many browsers and devices. Furthermore, incorporating principles of responsive design, continuous integration, and deployment (CI/CD), as well as performance testing, amplifies the resilience and dependability of online applications across diverse scenarios.

SimplyCompanies can reduce risks, optimize development processes, and provide user-friendly web applications in various browsing settings by implementing sophisticated cross-browser testing techniques and following best practices. The success and longevity of online content depend heavily on giving cross-browser testing top priority as we continue to navigate the constantly shifting web development world.

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