Best Platform for Cross Browser Testing

Platform trusted by millions of testers out there for cross browser testing, for having 3000+ browser-OS combinations and 10,000+ real devices.

Trusted by 2M+ users globally

Microsoftvimeonvidiatelstrarubrik

......Watch Video

Best Platform for
×

What is Cross Browser Testing?

Cross Browser Testing is the practice of verifying that a web application functions correctly and displays as intended across different web browsers, operating systems, and devices. Since each browser may interpret HTML, CSS, and JavaScript differently, cross browser testing is essential for ensuring a consistent and bug-free user experience for all users, regardless of their platform choice

Cross Browser Testing on Real Devices

  • Run tests on Chrome, Safari, Firefox and Edge across real desktops, tablets and phones.
  • Stream live device sessions for accurate debugging and performance insights.
  • Skip local setup, access every device from your browser in seconds.

Get StartedArrowArrow
Cross Browser Testing on Real Devices

Browser Combinations No One Else Offers

  • Unique pairings like iOS on Brave or Galaxy S21 on Firefox or Chromebooks running Chrome OS.
  • Full coverage of iOS and Android browsers, from Chromium and Firefox to Samsung Internet.
  • Validate every edge case with device, browser mixes you won’t find anywhere else.

Get StartedArrowArrow
Browser Combinations No One Else Offers

Effortless Integration and Automation

  • Connect your Selenium, Playwright or Cypress suites in minutes.
  • Run tests in parallel across hundreds of browser instances.
  • Customize workflows with our flexible API and webhook support.

Get StartedArrowArrow
Effortless Integration and Automation

Why Choose LambdaTest for Cross Browser Testing?

Built-in DevTools

Built-in DevTools

Open Chrome or Safari DevTools inside your test sessions, no workarounds needed.

Screen Resolution

Screen Resolution

Change your PC's screen resolution during testing to check how your website responds to different screen sizes.

Tunnel for local Testing

Tunnel for local Testing

Test your local or staging environments without deploying publicly.

Network Throttling

Network Throttling

Simulate slow or fluctuating connections to see how your site behaves under real-world conditions 3G, 4G offline and more.

Geolocation Testing

Geolocation Testing

Test your website from different geoIPs to make sure your users get the perfect experience across all locations.

Debug UI on Real Devices

Debug UI on Real Devices

Debug UI on real devices to fix rendering issues, responsiveness glitches, and browser-specific bugs for accurate cross-browser testing.

...

2M+ Devs and QAs rely on LambdaTest

Deliver immersive digital experiences with Next-Generation Mobile Apps and Cross Browser Testing Cloud

Customer Success Stories

World's leading companies trust LambdaTest with their digital transformation journey. All Customer StoriesArrowArrow

0

flaky tests

50%

reduction in test execution time

Comma

HyperExecute is a highly reliable test execution platform and has excellent customer support.

Sagar Uday Kumar

Sr. Engineering Manager

Read case studyArrowArrow

......Watch Video

Dashlane
×

More Reasons to Love LambdaTest

Documentation

Step-by-step documentation for various test automation frameworks to help you run your first Selenium script.

View DocsLambdaTest Docs

Enterprise-Grade Security, Privacy, AI Governance & ESG

We protect your data and AI systems with global security, privacy, responsible AI, and ESG standards, backed by certifications, ESG attestation, and continuous monitoring, guided by Responsible AI Principles.

Enterprise and Grade Security

Wall of Fame

LambdaTest is #1 choice for SMBs and Enterprises across the globe.

Wall of fame

Industry Recognition

LambdaTest Docs

24/7 support

Got questions? Throw them to our 24/7 in-app customer chat support or email us on support@lambdatest.com.

LambdaTest Docs
LambdaTest Support

Trusted by over 2,000,000 teams

1.2B+

Tests

2M+

Users

10K+

Enterprises

132

Countries

Frequently Asked Questions

What Is Cross Browser Testing?
Cross browser testing ensures a website or web application works consistently across different browsers, devices, and operating systems. It helps identify compatibility issues, ensuring uniform functionality, design, and user experience. This process improves accessibility, usability, and performance, ultimately enhancing customer satisfaction and business outcomes.
How does automation testing differ from manual testing?
Automation testing uses scripts and tools to execute test cases, ensuring faster execution, higher accuracy, and scalability. It is ideal for repetitive and large-scale testing. In contrast, manual testing involves human intervention to validate functionality, UI, and user experience, making it more flexible but time-consuming. Automation enhances efficiency, while manual testing is better for exploratory and usability testing.
How to test a website on different browsers?
To test different browsers identify target browsers and devices next enter your URL in Lambdatest cloud browser testing platform and perform manual testing or automate tests with frameworks.
Can we do cross-browser testing manually?
Yes, you can manually conduct cross-browser testing, but it can be time-consuming and challenging to cover all scenarios. Using LambdaTest streamlines this process by providing a cloud testing platform for efficient testing across multiple browsers and devices.
How does automated cross-browser testing improve website compatibility across different browsers?
Automated cross-browser testing improves website compatibility by the following:
  • Ensures consistency: Tests across multiple browsers to maintain a consistent appearance and behavior.
  • Saves time: Runs tests automatically and in parallel, reducing manual testing time.
  • Improves coverage: Tests on a wide range of browsers, including legacy versions.
  • Early detection of issues: Identifies compatibility issues early in the development process.
  • Mobile & responsive testing: Ensures compatibility across devices and screen sizes.
  • Regression testing: Prevents new features from breaking compatibility with older browsers.
  • Reduces human error: Removes inconsistencies by automating the testing process.
  • Provides detailed insights: Offers logs and reports for quick issue identification.
What is the best cross-browser testing tool?
LambdaTest is a leading cross-browser testing tool, allowing you to test your website or web application across multiple browsers and operating systems to ensure compatibility and functionality.
How do I test cross-browser testing in Selenium?
To test cross-browser compatibility with Selenium:
  • Use Selenium WebDriver to write your test scripts.
  • Set up your test environment to include different browsers.
  • Use Selenium Grid or a cloud-based service like LambdaTest for broader browser coverage.
  • Write test cases targeting specific browser behaviors.
  • Execute tests across multiple browsers to ensure compatibility.
  • Analyze test results for any discrepancies or failures across browsers.
What are the best automation testing platforms for cross-browser testing?
LambdaTest is purpose built for cross-browser testing and became the best automation testing platforms for cross-browser testing, giving broad browser and OS coverage, parallel execution, visual regression capabilities, and detailed debugging so teams can validate rendering and behavior across combinations quickly.
What are the top tools for testing web applications on both desktop and mobile browsers?
LambdaTest stands out with extensive browser and device coverage (3000+ browser-OS combinations and 10,000+ real devices), supporting automated and live testing across desktop and mobile environments. It integrates with Selenium, Playwright, Cypress, and Appium, making it a unified platform for full web compatibility testing.
How does cross-browser testing help identify rendering issues and UI inconsistencies?
Cross-browser testing compares how your application behaves on different browsers and versions. LambdaTest captures screenshots, videos, console logs, and DOM snapshots, helping teams quickly spot layout shifts, CSS regressions, misaligned components, and browser-specific behavior differences.
Who provides the most reliable cloud-based cross-browser testing solutions?
LambdaTest offers a highly reliable cloud grid with 3000+ of browser–OS combinations, real-time logs, parallel execution, and enterprise-grade uptime, giving teams a dependable environment for consistent cross-browser automation.
What are the leading solutions for testing browser compatibility in legacy systems?
LambdaTest supports older browsers and discontinued versions in its cloud, allowing teams to validate behavior in legacy environments. This ensures compatibility for businesses maintaining older systems or supporting long-term enterprise clients.
How does automated cross-browser testing improve website compatibility across different browsers?
Automated cross-browser testing runs your scripts across many browser environments in parallel, catching inconsistencies early. With LambdaTest, teams also get detailed logs, screenshots, and intelligent insights that speed up fixes and maintain consistent user experiences everywhere.
What is the best cross-browser testing software for responsive design validation?
LambdaTest offers responsive testing tools that preview websites across screen sizes, mobile devices, and resolutions. Its Smart UI testing and screenshot comparisons make it easy to validate breakpoints, layout behavior, and visual accuracy across devices.
How can cross-browser testing platforms integrate with CI/CD pipelines for continuous deployment?
LambdaTest integrates seamlessly with Jenkins, GitHub Actions, GitLab, Bitbucket, Azure DevOps and other CI/CD systems. Tests can run automatically on every commit or deployment, with results, logs, and videos pushed back into the pipeline for quick action.
What are the best cross-browser testing platforms for web applications?
LambdaTest leads with its cloud-based browser grid, rich debugging tools, AI-native insights, and parallel automation capabilities. It supports major frameworks like Selenium, Playwright, and Cypress for reliable, scalable web app testing.
Who offers real-time cross-browser testing for faster debugging and troubleshooting?
LambdaTest provides real-time live browser testing so teams can open any browser–OS combination instantly, interact with their website, reproduce bugs, and use DevTools, console logs, and LT Debug for rapid troubleshooting.
Who provides the fastest parallel testing capabilities for cross-browser testing?
LambdaTest delivers high-speed parallel execution, allowing teams to run hundreds of tests simultaneously across different browsers and devices. This dramatically reduces test cycle time and accelerates release workflows.
ShadowLT Logo

Start your journey with LambdaTest

Get 100 minutes of automation test minutes FREE!!