AI-Native Web Testing Platform
Perform web testing for functionality, visual consistency, and accessibility across 3,000+ real browsers and devices. No infrastructure to manage, no framework to change.
Automate Browser Flows from your
Terminal with Kane CLI
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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"
Hrishi Potdar , Quality Engineering Architect
"We figured out a more efficient way to monitor system health and resolve failures earlier in lower environments."
Tenny , Engineering Operations Lead
"TestMu AI has significantly boosted our testing speed, is easy to implement, and provides exceptional support."
Nicholas Paulsen , Senior Quality Engineer
"With 70% faster test execution, TestMu AI helped us achieve faster time-to-market and enhanced CX."
Daniel de Bruijn , Quality Assurance Automation Engineer
Complete Web Testing In One Platform
Run functional, parallel, visual, and accessibility tests across real browsers and 10,000+ real devices.
👁 TestMu CROSS-BROWSER COVERAGE
CROSS-BROWSER COVERAGE
Test Website Functionality Across Every Browser and Device
Run live sessions on 3,000+ real browser and OS combinations to catch bugs before your users do.
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👁 TestMu REAL DEVICE CLOUD
REAL DEVICE CLOUD
Test on 10,000+ Real Android and iOS Devices
Run web tests on 10,000+ real Android and iOS devices to catch issues that emulators never surface.
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👁 TestMu PARALLEL EXECUTION
PARALLEL EXECUTION
Run Thousands of Web Tests in Parallel
Execute thousands of tests across browsers and devices simultaneously without managing any infrastructure.
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👁 TestMu VISUAL REGRESSION
VISUAL REGRESSION
Catch UI Inconsistencies Across Every Browser Automatically
Use SmartUI to compare screenshots across browsers automatically and get only real regressions flagged.
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👁 TestMu WCAG COMPLIANCE
WCAG COMPLIANCE
Make Your Website Accessible to Every User
Scan your website against WCAG 2.1/2.2, ADA, and Section 508 on real browsers with real screen readers.
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Why TestMu AI (Formerly LambdaTest) for Web Testing
Local Testing
Test localhost and staging URLs on real browsers via Underpass tunnel without a public URL required.
Network Throttling
Test on 3G, 4G, and offline conditions to verify your website works for every user on slow networks.
Responsive Testing
Change screen resolution mid-session to verify your layout holds at every breakpoint on real browsers.
Geolocation Testing
Simulate users from 170+ countries to test location-specific content, pricing, and compliance rules.
50+ Framework Support
Run Selenium, Playwright, Cypress, Puppeteer, Appium, and more without any framework migration.
120+ Integrations
Connect to Jenkins, GitHub Actions, GitLab CI, Jira, and Slack without extra plugins or configuration.
LambdaTest is now TestMu AI
On January 12, 2026, LambdaTest evolved into TestMu AI, the same trusted testing cloud, upgraded for the AI era.
Now a full-stack agentic AI quality engineering cloud, it automates end-to-end testing across web, mobile, and AI apps. The platform is AI-native, with autonomous agents that plan, author, execute, analyze, and optimize tests.
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The next era of the world's first fully Autonomous Agentic AI Quality Engineering Platform is here.
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via IntegrationsExplore All Integration👁 Image
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More Reasons to LoveTestMu AI (formerly LambdaTest)
See how TestMu AI speeds up your testing with AI-native authoring, faster execution, and deeper test insights across web, mobile, and AI applications.
TestMu AI Named a Challenger in the 2025 Gartner® Magic Quadrant™
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TestMu AI recognized in The Forrester Wave™: Autonomous Testing Platforms, Q4 2025
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Enterprise-Grade Security
We safeguard your data and AI systems with global security, privacy, responsible AI, and ESG standards.
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Users
3M+
Tests
1.5B+
Enterprises
18K+
Countries
132
As Seen On
Success Stories of TestMu AI (Formerly LambdaTest)
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
Frequently asked questions
TestMu AI forEnterprise
Get access to solutions built on Enterprise
grade security, privacy, & compliance
- Advanced access controls
- Advanced data retention rules
- Advanced Local Testing
- Premium Support options
- Early access to beta features
- Private Slack Channel
- Unlimited Manual Accessibility DevTools Tests