Website Testing Software on Cloud
Execute manual and automation testing for web and mobile applications on 3000+ real devices, browsers 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."
AI-Agentic Quality Engineering
Plan, author, and evolve end-to-end tests using natural language.More about KaneAI 
Website Testing Software with 3000+ Environments
TestMu AI is the best website testing software to help you perform live-interactive exploratory testing across 3000+ browsers and OS combination running on real desktop and mobile devices.
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Website Testing Software for Swift Automation
Perform automation testing with TestMu AI's website testing software, which supports Selenium, Cypress, Appium and many other frameworks. Get blazing fast speeds with parallel testing across our browser farm.
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Features To Accelerate Website Testing
Finest Security
Security is paramount. Protection of sensitive data is assured as we are SOC2 Certified, GDPR Compliant, and CCPA Compliant.
Native & Easy Debugging
Every TestMu AI browser comes with pre-installed native developer tools so you can debug and share bugs across your team via seamless integrations.
Geolocation Testing
Test your website or mobile app from different geoIPs to make sure your users get the perfect experience across all locations.
Test Locally Hosted Pages
Local testing to help you test in dev environments and protect your website or app from post-deployment bugs.
Custom Analytics
QA teams can build custom views with multiple widgets and create dashboards to deliver actionable insights to stakeholders.
Accessibility Testing
Use Screen Reader and Speech Viewer to test digital accessibility of your websites with powerful accessibility testing tools.
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