Web Application Testing Online
Test your webapps for compatibility across 5000+ different browsers, browser versions, and operating systems.
LambdaTest is now
TestMu AI
Trusted by 2M+ users globally at
"We have tripled our tests and are now executing tests in less than 2 hours with 78% Faster Test Execution"
"We figured out a more efficient way to monitor system health and resolve failures earlier in lower environments."
"TestMu AI has significantly boosted our testing speed, is easy to implement, and provides exceptional support."
"With 70% faster test execution, TestMu AI helped us achieve faster time-to-market and enhanced CX."
Web App Testing on Various Environments
Run interactive tests on over 3000 browser configurations. Select browser type, version, OS, and resolution for thorough compatibility checks.
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Increase Real Devices Coverage
Test your website's responsiveness instantly using our extensive real device pool, including iPhones and Androids. Access various devices with just a click.
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2M+ Devs and QAs rely on TestMu AI
Deliver immersive digital experiences with Next-Generation Mobile Apps and Cross Browser Testing Cloud
Sign up with googleWeb App Testing with Scheduled Screenshots
Run visual tests automatically across 3,000+ environments on LambdaTest. Schedule tests and capture screenshots at set intervals for detailed insights.
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Responsive Web App Testing with LT Browser
Effortlessly test your application's responsiveness in LT Browser with a single click. Choose from over 50 viewports or create custom dimensions to assess your app's performance.
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AI-Agentic Quality Engineering
Test AI agents such as chatbots and voice assistants to ensure efficiency, relevancy, and performance.More about Agent-to-Agent Testing
50%
reduction in test execution time
“HyperExecute is a highly reliable test execution platform and has excellent customer support.”
Sagar Uday Kumar
Sr. Engineering Manager
More Reasons to Love TestMu AI
Gartner’s Magic Quadrant 2025
Recognized in Gartner's Magic Quadrant 2025 as a Challenger for strong customer experience.
Forrester’s Autonomous Testing Platforms Q3 2025
Featured in Forrester's Autonomous Testing Platforms Landscape, Q3 2025 for innovation in AI-driven testing.
Wall of Fame
TestMu AI is #1 choice for SMBs and Enterprises across the globe.
Enterprise-Grade Security
We safeguard your data and AI systems with global security, privacy, responsible AI, and ESG standards.
Integrations
Works where you work, 120+ integrations with the tools your team relies on.
Users
2.5M+
Tests
1.5B+
Enterprises
18K+
Countries
132
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Frequently asked questions
TestMu AI forEnterprise
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