Advanced Playwright Techniques: Optimizing Speed, Stability, and Cloud Testing
1h 8mAdvanced2026-04-09
Authors
Qambar Raza
Course details
This course dives deep into advanced Playwright testing strategies, and is designed to help experienced testers and developers optimize their test suites for speed, stability, and scalability. Learn how to streamline your tests, diagnose and fix bottlenecks, and apply resilient practices that make your testing robust against flakiness. Additionally, explore the power of visual testing using screenshots and snapshots, ensuring UI consistency with minimal resource usage. Finally, instructor Qambar Raza guides you through configuring and running tests on Microsoft Playwright Testing service, enabling you to scale tests effortlessly in the cloud. By the end, you’ll have a high-performing Playwright testing suite ready for modern application needs.
Learning objectives
Diagnose and optimize Playwright test performance, reducing execution time through advanced speed optimization techniques.
Implement stability strategies to reduce test flakiness, focusing on resilient locators, async management, and handling dependencies.
Apply effective visual testing practices using screenshots and snapshots to enhance UI reliability while managing resources efficiently.
Set up and run scalable tests on Microsoft Playwright Testing service, leveraging cloud resources for parallel testing and enhanced performance.
Learning objectives
Diagnose and optimize Playwright test performance, reducing execution time through advanced speed optimization techniques.
Implement stability strategies to reduce test flakiness, focusing on resilient locators, async management, and handling dependencies.
Apply effective visual testing practices using screenshots and snapshots to enhance UI reliability while managing resources efficiently.
Set up and run scalable tests on Microsoft Playwright Testing service, leveraging cloud resources for parallel testing and enhanced performance.
Skills covered
Microsoft PlaywrightSoftware TestingMicrosoftSoftware DevelopmentOne-Off
Concepts
Introduction
- Advanced Playwright techniques
- What you should know
Optimising Test Speed in Playwright
- Green testing - Speed, efficiency and sustainability
- Diagnosing performance bottlenecks with VS Code metrics
- Using storageState to avoid repeated logins
- Configuring project dependencies for cookie setup
- Parallelisation - When to use It and when to avoid It
- Challenge - Optimise a slow test in VS Code
- Solution - Optimise a slow test in VS Code
Reducing Test Flakiness in Playwright
- Mastering flaky tests
- Handling Nuxt page hydration issue in tests
- Implementing stable locators
- Handling external dependencies to minimise flakiness
- Running tests multiple times to detect flakiness
- Challenge - Fix this flaky test
- Solution - Fix this flaky test
Screenshot and Snapshot Testing Best Practices
- Visual testing with screenshots and snapshots
- How do you capture a screenshot
- How do you capture a snapshot
- Challenge - Implement a test to screenshot a page
- Solution - Implement a test to screenshot a page
Running Tests on Microsoft Playwright Testing Service
- What is Microsoft Playwright Testing (MPT) service
- Creating a resource on Microsoft Azure
- Setting up your framework to run tests on the cloud
- Running tests via CLI
- Challenge - Run tests against your local server on MPT
- Solution - Run tests against your local server on MPT
Conclusion
- Final thoughts and best practices
- Next steps
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