How To Check Website Browser Compatibility & Why You Should?

How To Check Website Browser Compatibility & Why You Should?

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Creating a seamless online experience is paramount in today’s digital landscape, whether you’re running a website or a web app. And, navigating the intricacies of cross-browser testing is indeed a challenge.

This guide will explore the need to check website browser compatibility. We’ll provide practical insights into why it’s crucial and how to achieve it. You’ll be equipped to enhance user experience, boost performance, and expand your web application’s market reach by the end.

  • Compatibility testing is critical for web application success
  • It ensures a consistent and smooth user experience across different browsers and operating systems
  • Neglecting compatibility can lead to user frustration, reduced market reach, and a tarnished reputation
  • Performance issues should be addressed through browser-specific optimizations
  • A seamless cross-browser experience correlates with improved conversion rates
  • Proactive testing minimizes post-launch maintenance costs
  • Compatibility positively impacts SEO and search rankings
  • Less popular browsers are important for inclusivity and corporate environments
  • Balancing browser selection involves data analysis, market share consideration, core browser focus, mobile testing, and adaptability
  • Get familiar with recommended browser compatibility testing tools

Did you know? Using website builders to create your site can greatly improve its cross-browser compatibility. These builders use modern web standards, ensuring that your website works well on different browsers. Statistics show that browser compatibility can impact user experience and retention, as nearly 50% of web users expect websites to load properly on any browser.

Top Website Builders for Seamless Browser Compatibility

ProviderBest ForExpert & User Reviews 
AI-Powered ToolsHostinger ReviewVisit Hostinger
Quality DesignSquarespace ReviewVisit Squarespace
Affordable PlansIONOS ReviewVisit IONOS

How Does Cross-Browser Compatibility Testing Impact Your Application?

Browser compatibility testing holds immense importance in web development, exerting a substantial influence on your application’s performance, user experience, and overall success.

As your web application interacts with a diverse array of browsers, including Chrome, Firefox, Safari, Edge, and older browsers such as Internet Explorer, discrepancies can emerge, potentially leading to functionality issues, layout distortions, or even complete breakdowns.

In this section, we’ll uncover the effects of browser compatibility testing, discuss the impact it has on user satisfaction, and how it helps to solidify your application’s reliability and extend its reach across the digital landscape.

User Experience (UX)

Cross-browser compatibility testing plays a pivotal role in delivering a consistent and smooth user experience (UX) across a multitude of web browsers. Inconsistencies in how browsers render websites can easily frustrate users, causing navigation issues and layout distortions.

By emphasizing responsive design and conducting usability testing through compatibility checks, developers can ensure that their applications remain user-friendly and functional, regardless of browser choice.

This approach helps foster a positive UX, reducing bounce rates and enhancing user satisfaction, thus contributing to the overall success of the web application.

Market Reach

Market reach in web applications refers to the number of potential users accessing and interacting with your site across different web browsers. Neglecting cross-browser compatibility can significantly limit this reach and alienate potential users.

However, it’s not just about reaching a broader audience within your current market; it’s also about globalizing your website.

Cross-browser compatibility ensures your website functions seamlessly on popular browsers like Chrome, Firefox, Safari, Edge, and Internet Explorer, expanding your potential audience globally. Whether your target audience is in your local region or on the other side of the world, your website should provide a consistent user experience.

Failure to do so may result in functionality issues, prompting users to leave your site or turn to competitors, adversely affecting your business and brand reputation.

Performance Across Operating Systems

Cross-browser compatibility testing is crucial in identifying performance issues specific to certain browsers and operating systems. By pinpointing these issues, developers can implement browser and operating system-specific optimizations, enhancing the speed and responsiveness of their applications.

This leads to faster load times and smoother performance, significantly improving user satisfaction and engagement across various operating systems. Ensuring your web application runs efficiently on different platforms is essential for delivering a consistent and positive user experience.

Conversion Rates

A seamless cross-browser experience is directly linked to improved conversion rates. When a web application functions consistently across different browsers, users are likely to complete desired actions, such as purchasing or signing up. However, one of the critical aspects of a seamless user experience is the website’s loading speed.

Speeding up website loading times is paramount for retaining user engagement and satisfaction. Users today have little patience for slow-loading pages. When your web application is optimized for performance across various browsers, it ensures a consistent experience and minimizes loading times.

Consistency in functionality instills confidence in users, reducing the likelihood of errors, frustrations, and browser compatibility issues that might otherwise lead to abandoned transactions.

By prioritizing compatibility and optimizing performance, businesses can maximize conversion rates and speed up website loading times, enhancing user satisfaction and boosting their online success.


A reputation for compatibility can significantly impact user trust. When users consistently have positive experiences with your web application across different browsers, it builds trust in your brand.

On the contrary, negative experiences due to browser issues can quickly tarnish your brand’s reputation.

Studies show that 90% of consumers avoid businesses with a bad reputation, and 87% even reverse purchase decisions after reading negative reviews. Positive user reviews and word-of-mouth recommendations are pivotal in bolstering your reputation.

Promoting these reviews across platforms strengthens your brand’s reputation, attracts new customers, and retains the existing customer base.

Maintenance Costs

Addressing browser-specific issues during development is a cost-effective strategy that significantly reduces post-launch website maintenance expenses. Neglecting cross-browser testing can result in expensive bug fixes and updates down the road, as issues may surface after your web application is live.

Proactive testing ensures a smoother launch and leads to long-term cost savings by minimizing the need for extensive post-launch repairs and updates, allowing you to allocate your resources more efficiently.

Here are some examples of how proactive testing can lead to long-term cost savings:

  • Early identification and resolution of browser-specific issues reduce post-launch bug fixes
  • Prevents the need for extensive and costly updates to fix unexpected browser-related problems
  • Minimizes the risk of lost revenue due to frustrated users abandoning your application
  • Saves on customer support and service costs by reducing user complaints and inquiries
  • Builds a more robust and reliable application, reducing the frequency of costly emergency fixes and patches

SEO and Search Rankings

Cross-browser compatibility and SEO are closely intertwined. Search engines like Google prioritize websites that offer excellent user experiences.

When your web application functions seamlessly across different browsers, it leads to higher engagement, longer website visits, and lower bounce rates, all of which are factors that signal to search engines that the website is valuable and relevant.

One aspect of SEO that aligns with cross-browser compatibility is the need to check keyword ranking. Ensuring that your target keywords rank well in search engine results is crucial for driving organic traffic to your site. Users from different browsers will find your website more easily when it ranks well across multiple browsers.

By optimizing your website for various browsers, you not only enhance user experiences but also increase the likelihood of your website ranking well for your target keywords. This comprehensive approach to SEO, which includes checking keyword ranking across browsers, can help you achieve better search rankings and increased organic traffic.

How To Perform Cross-Browser Compatibility Tests?

By following these steps, you can identify and resolve compatibility issues, enhance performance, and ultimately provide a consistent and satisfying experience for all your users.

Step 1: Define Your Target Browsers

Defining your target browsers is a crucial first step in cross-browser compatibility testing. Identify the web browsers and their versions that align with your target audience and industry norms.

Ensure your selection covers desktop and mobile browsers to cater to diverse user preferences. By narrowing down your focus, you can streamline your testing efforts, identify potential issues more effectively, and prioritize the browsers that matter most to your users.

Here are some tips on choosing target browsers based on your target audience and industry standards:

  • Research your target audience’s browser preferences and habits
  • Analyze industry standards and competitors’ browser support
  • Consider the geographical location of your audience and their preferred browsers
  • Prioritize browsers with significant market share and popularity among your users
  • Test on the latest versions of major browsers for optimal performance
  • Don’t forget to include desktop and mobile browsers in your selection to cover all user scenarios

Step 2: Create a Test Plan

Creating a comprehensive test plan for cross-browser compatibility testing is essential to ensure your web application functions seamlessly across various browsers. Identify the browsers you want to prioritize based on user demographics and industry standards.

In your test plan, outline each browser and version specific test cases, objectives, and success criteria. This plan helps you systematically assess the application’s performance, appearance, and functionality on different platforms.

It’s crucial to involve stakeholders in this process to align expectations and prioritize browsers that matter most to your target audience. This collaborative approach ensures that your web application caters to a broader user base, enhancing user satisfaction and market reach.

Step 3: Choose Cross-Browser Website Testing Tools

Regarding cross-browser website testing tools, several options are available to suit various project needs. Here are some popular choices:

When choosing the right tool for your project, consider factors like pricing, features, ease of use, and compatibility with your development stack.

A cost-effective option like LambdaTest may suffice for smaller projects, while larger, more complex projects may benefit from Selenium Box or Ranorex Studio’s advanced capabilities. Evaluate your specific requirements to make an informed decision.

Step 4: Set Up Testing Environments

Setting up testing environments is a crucial step in conducting efficient cross-browser tests. Depending on your project’s requirements, you have several options:

  • Virtual Machines: Utilize virtualization software like VirtualBox or VMware to create isolated environments for different browsers and operating systems. This approach allows you to run various browser versions simultaneously.
  • Browser Extensions: Browser testing tools like BrowserStack or CrossBrowserTesting offer browser extensions that enable you to test your web application directly from your browser, saving time and resources.
  • Cloud-Based Solutions: Platforms like LambdaTest and Sauce Labs provide cloud-based browser testing tools, allowing you to access a wide range of browsers and OS combinations without the need for extensive local setup.

It’s essential to keep your testing environments up-to-date with the latest browser versions to ensure accurate results. Regularly check for updates and patches to maintain the integrity of your cross-browser testing process.

Streamlining environment management by documenting configurations makes reproducing tests and sharing findings with your team easier.

Step 5: Execute Functional Testing

Functional testing is a systematic process of evaluating your web application’s features and interactions across various browsers. To ensure your application’s reliability, follow these steps:

  • Feature Verification: Methodically test each feature to confirm it functions correctly on all target browsers.
  • Interaction Testing: Verify that user interactions, such as form submissions and buttons, work as expected.
  • Issue Logging: If you encounter any functional issues, log them meticulously, including browser details and steps to reproduce.
  • Tracking: Use issue-tracking tools like Jira or Trello to manage and prioritize bug fixes efficiently.

Functional testing helps ensure that your web application delivers a consistent and reliable user experience across different browsers.

Step 6: Perform Visual Testing

Visual testing ensures your web application’s user interface (UI) looks consistent and functions flawlessly across different browsers and devices. This process:

  1. Checks UI Consistency: Visual tests verify that UI elements appear correctly in shape, size, and position.
  2. Identifies Design Inconsistencies: Tools like Resemble.js, PhantomCSS, and WebdriverCSS detect visual discrepancies between expected and actual UI appearances.

Common visual issues include misaligned elements, text cutoffs, color variations, and image rendering problems. Address these issues by:

  • Adjusting CSS Styles: Fine-tune CSS styles for consistent rendering.
  • Retesting: Continuously run visual tests with screenshot comparison tools.
  • Cross-Device Testing: Ensure responsiveness and adaptability on various devices.
  • Cross-Browser Checks: Verify compatibility with multiple browsers.

Visual testing maintains your web app’s design integrity, enhances user satisfaction, and enables you to verify UI responsiveness.

Step 7: Responsive Testing

When it comes to web development, responsive design is a must. And, a mobile responsive website adapts seamlessly to various screen sizes, providing users with an optimal experience, whether they access your site on a desktop, smartphone, or tablet.

To conduct this testing effectively:

  • Simulate Devices: Utilize tools like Chrome DevTools to mimic different devices and screen orientations. This ensures your app’s design and functionality adapt seamlessly to varying user experiences.
  • Browser Developer Tools: Explore browser developer tools to evaluate responsiveness, allowing you to fine-tune your app’s layout and content presentation for optimal performance across a broad spectrum of devices and browsers.

Step 8: Validate CSS and HTML

CSS (Cascading Style Sheets) controls a website’s visual presentation, while HTML (Hypertext Markup Language) structures its content. Validating both CSS and HTML code is crucial to ensure adherence to web standards.

Tools like W3C validators can identify and rectify code errors and inconsistencies. Clean and compliant code enhances cross-browser compatibility, as it guarantees consistent rendering and functionality across various browsers, promoting a seamless user experience.

Maintaining code quality reduces the likelihood of browser-specific issues arising from non-standard coding practices.

Step 9: Assess Performance

Assessing the performance of your web application across different browsers is essential to ensure a seamless user experience and maintain a favorable SEO ranking.

To measure performance, various tools and metrics come into play. Page load times are a critical metric, as slow-loading pages can deter users and negatively affect search engine rankings.

Performance testing encompasses several types, including:

  • Load Testing: Evaluates how the software handles an increased workload, such as concurrent users or transactions.
  • Endurance Testing: Assesses long-term sustainability by subjecting the software to a fixed workload over an extended period.
  • Stress Testing: Measures performance beyond normal working parameters, simulating high traffic loads.
  • Spike Testing: Evaluates the software’s ability to handle sudden spikes in workload.
  • Volume Testing: Tests efficiency with large volumes of data, checking for data loss and system response times.
  • Scalability Testing: Determines how the software behaves when scaling up or down its performance attributes.

Performance directly impacts user experience, as faster load times lead to higher engagement and lower bounce rates, favoring SEO rankings. Consider tools like Page Speed Insights, WebPageTest, Pingdom, or GTmetrix.

Ensuring optimal performance across browsers is crucial to maximizing the reach and success of your web application.

Step 10: Document and Prioritize Issues

Maintaining comprehensive issue logs and test reports is vital to the cross-browser compatibility testing process. These records help teams identify, prioritize, and resolve issues effectively. To streamline this process:

  • Categorize issues based on severity and impact, distinguishing critical problems from minor ones
  • Prioritize issues that directly affect user experience, functionality, or security
  • Maintain clear and concise documentation for easy reference
  • Collaborate closely with development teams to communicate issues and expedite resolutions

Ensure thorough retesting after issue resolution to confirm successful fixes, delivering a seamless user experience across browsers.

Are Less Popular Browsers Relevant for Compatibility Testing?

Cross-browser compatibility testing extends beyond popular browsers like Chrome, Firefox, Safari, Edge, and Internet Explorer. Less popular browsers still hold relevance, and at times, they are indispensable. While major browsers dominate the market, testing on less common ones ensures inclusivity for a diverse user base.

Certain industries and regions may favor specific browsers, making testing on these less mainstream options crucial for targeted outreach. Additionally, considering the potential for smaller browsers to gain popularity in the future, early compatibility testing helps future-proof your application.

Furthermore, less common browsers can uncover unique issues that might be missed when focusing solely on major ones. Comprehensive cross-browser testing, including less popular choices, enhances inclusivity, market reach, and overall user satisfaction.


  • Embracing diversity in user preferences, including less popular browsers
  • Offering a consistent user experience across all browsers is crucial
  • Benefits users relying on or preferring less common browsers
  • Supports users in regions with unique browser preferences

Corporate Environments

  • Compatibility with less popular browsers is essential in corporate environments
  • Many organizations enforce standardized browser usage
  • Strict browser policies and reliance on older software systems are common
  • Industries like healthcare, finance, and government have compliance requirements
  • Cross-browser compatibility testing ensures seamless functionality and compliance
  • Failing to support less popular browsers can lead to operational disruptions and security risks

Emerging Target Market

  • Less popular browsers, including older ones like Internet Explorer, are significant in emerging markets
  • Users in these markets rely on older or lesser-known browsers due to limitations
  • Prioritizing compatibility in these markets unlocks growth opportunities
  • Reaches a wider audience and establishes a stronger presence
  • Increases brand recognition and market share in evolving digital landscapes

Accessibility Compliance

  • Critical aspect of web development, especially in less popular browsers
  • The Americans with Disabilities Act (ADA) extends to digital resources
  • Challenges exist due to the absence of clear accessibility standards
  • Unique challenges arise from the evolving web technologies
  • Some assistive technologies work better with specific browsers
  • Meeting legal and ethical obligations is essential
  • Web Content Accessibility Guidelines (WCAG) provide essential standards
  • Emphasizes considering diverse user needs, including those with less popular browsers
  • Fundamental for creating an inclusive digital environment

Competitive Advantage

  • Prioritizing compatibility offers a significant competitive advantage
  • Signals a commitment to inclusivity and accessibility
  • Attracts users overlooked by competitors
  • Companies like Mozilla Firefox have gained a competitive edge through this approach
  • Differentiates businesses in a crowded digital landscape
  • Showcases a commitment to user-centric design

Browser Compatibility Testing Tools Worth Trying

When it comes to conducting comprehensive cross-browser compatibility testing, several tools can simplify the process. Here are 10 browser compatibility testing tools worth trying:

  • LambdaTest: Offers a wide range of browsers and operating systems for testing.
  • CrossBrowserTesting: Provides real-time testing across various browsers and devices.
  • BrowserStack: Offers a cloud-based platform for testing on real devices.
  • Experitest: Known for its end-to-end mobile testing solutions.
  • BrowserShots: Allows you to generate screenshots of your website across multiple browsers.
  • Browserling: Offers a live interactive testing environment for browsers.
  • Functionize: Combines AI and machine learning for automated testing.
  • Sauce Labs: A cloud-based testing platform for web and mobile applications.
  • TestingBot: Provides a scalable platform for running Selenium and Appium tests.
  • BrowseEmAll: Focuses on desktop and mobile browser testing.

These tools offer various features and capabilities, making them valuable assets for ensuring your web applications are compatible with a wide range of browsers and devices.

Final Word

Ensuring your website’s compatibility across various browsers is a must. Small businesses and organizations must determine the best cross-browser testing plan to reach a broader audience. Embrace compatibility, enhance user experiences, and maximize your online potential.

Explore our resources on the best website builders and web hosting for more insights.

Next Steps: What Now?

Learn More About Websites

Frequently Asked Questions

How do I test browser compatibility?

To test browser compatibility, identify target browsers, use tools like LambdaTest, and set up testing environments. Execute functional and visual testing for feature verification and design consistency.

Ensure responsiveness on various devices and validate CSS and HTML code. Assess performance and maintain issue logs, prioritizing fixes.

Consider less popular browsers, adhere to accessibility standards, and gain a competitive edge. Explore compatibility testing tools like Experitest, BrowserShots, Browserling, Functionize, Sauce Labs, TestingBot, and BrowseEmAll for comprehensive testing.

How do you test the cross-browser compatibility of your site?

First, identify target browsers and create a test plan to test cross-browser compatibility. Use testing tools like LambdaTest or BrowserStack. Set up testing environments and execute functional and visual testing. Validate CSS and HTML, assess performance, and maintain issue logs. Prioritize fixes and consider less popular browsers for inclusivity.

What is the browser compatibility of a website?

Browser compatibility of a website refers to how well the site functions and appears across different web browsers and their versions. It ensures that users have a consistent and error-free experience, regardless of the browser they use. Testing is crucial to identify and resolve any compatibility issues.

How to check cross-browser compatibility in CSS?

Cross-browser compatibility in CSS refers to ensuring that your website’s styling and layout appear consistently across different web browsers. To check it, start by writing CSS code that adheres to standardized practices and avoids browser-specific hacks. Validate your CSS using tools like the W3C CSS Validator to catch any syntax errors or non-standard code.

Next, test your website on various browsers and devices to identify any rendering discrepancies. Address these issues by fine-tuning your CSS for specific browsers, using conditional statements, or considering the use of CSS frameworks designed for broader compatibility.

Cross-browser CSS testing ensures a consistent visual experience for all visitors, regardless of their chosen browser.

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