HTML5 Testing Online on Real Browsers and Devices
Access 3,000+ real browsers and 10,000+ real devices. Catch HTML5 compatibility gaps before they reach your users.
Automate Browser Flows from your
Terminal with Kane CLI
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."
Test HTML5 Everywhere It Runs Browsers, Real Devices, and Automation
Cross-browser checks, HTML5 testing on 10,000+ real devices, and automation in one workflow on TestMu AI.
LIVE CLOUD BROWSERS
HTML5 Cross-Browser Compatibility Testing
Open Chrome, Firefox, Safari, or Edge instantly in the cloud. Test HTML5 on the exact browser combinations your users actually run.
Start HTML5 Browser Testing- Test across multiple screen resolutions for responsive HTML5 layouts.
- Test on the latest and legacy browser versions to cover your full user base.
- Console logs, HAR files, and DOM snapshots on every session.
REAL DEVICE CLOUD
HTML5 Testing on 10,000+ Real iOS and Android Devices
HTML5 sensors behave differently on physical hardware than emulators. Test on real iOS and Android devices without owning a single one.
Test HTML5 on Real DevicesWhat real hardware unlocks
FUNCTIONAL TESTING
Automate HTML5 Functional Tests Across Browsers
Supports Selenium, Playwright, and Cypress across 3,000+ real cloud browsers. Full logs, video, and console output on every session.
Automate HTML5 Tests- Execute parallel HTML5 test suites to cut overall test run times.
- Connect to Jenkins, CircleCI, or GitLab CI to run HTML5 tests automatically.
- Catch real HTML5 UI bugs across browsers with AI-native visual regression testing.
AI-Agentic Quality Engineering
Autonomous Testing
Detailed agent analysis under test, from the perspective of a synthetic end-user.
Multi-Persona Simulation
Diverse user personas like International Caller, Digital Novice and more.
Risk Scoring & Regression
End to end regression testing for agent under test with insights.
Choose How You Run HTML5 Tests on TestMu AI
Public Cloud
Instant access to 3,000+ browser-OS combinations and 10,000+ real devices. Start HTML5 testing in seconds with no setup required.
Dedicated Cloud
Zero shared infrastructure, reserved exclusively for your team. Built for security-sensitive flows and long-running HTML5 automation with guaranteed uptime and priority support.
On-Premise
Run HTML5 tests inside your own infrastructure. Full data residency for finance, healthcare, and government teams.
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
Some Love from our Customers
As Best Egg expanded its product offerings and entered new markets, we knew our old testing infrastructure couldn’t keep up.
With support from Tenny Agustin, our Engineering Operations Lead, we modernized our approach with
TestMu AI
Best Egg
best-egg
Excited to Share My Learning Journey with Kane AI & Lambda Tool!
I'm pleased to announce that I've recently gained hands-on experience exploring Kane AI through the Lambda Tool and it’s been a fantastic journey of upskilling!
KaneAI
Suryateja Goud
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See how is #Futureready to enable blazing-fast test orchestration seamlessly integrated with organizations' existing CI/CD platforms, using #Microsoft Azure.
TestMu AI
Microsoft India
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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™
Read ReportTestMu AI recognized in The Forrester Wave™: Autonomous Testing Platforms, Q4 2025
Read ReportWall of Fame
TestMu AI is #1 choice for SMBs and Enterprises across the globe.
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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
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Tests
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Enterprises
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