Getting Started with Playwright
What is Playwright and why choose it over Selenium?
What is Playwright and Why Choose It Over Selenium?
Playwright is a modern end-to-end testing framework developed by Microsoft. Released in 2020, it quickly became the tool of choice for teams who needed reliable, fast, cross-browser automation without the fragility that plagued earlier tools.
The Core Problem Playwright Solves
Browser automation has historically been unreliable. Tests fail because:
- Elements are not yet in the DOM when the test looks for them
- Timing-based
sleep()calls are either too short (flaky failures) or too long (slow tests) - Different browser APIs require different handling
Playwright solves this with built-in auto-waiting. Every action (click, fill, check) automatically waits for the element to be actionable before proceeding. You do not write waitForElement calls — Playwright handles it.
Playwright vs Selenium: Key Differences
| Feature | Playwright | Selenium WebDriver |
|---|---|---|
| Auto-waiting | Built-in on all actions | Manual waits required |
| Browser support | Chromium, Firefox, WebKit | Chrome, Firefox, Edge, Safari |
| Setup | Single CLI install | Driver management required |
| Speed | Fast (parallel by default) | Slower without configuration |
| API | Modern async/await | Older, more verbose |
| Network control | Built-in request interception | Requires additional tools |
| Screenshots/video | Built-in | Third-party plugins |
Why Teams Are Migrating to Playwright
- Reliability: Auto-waiting dramatically reduces flakiness
- Speed: Parallel test execution is on by default
- Developer experience: The
codegentool records test steps from browser actions - First-party support: Microsoft maintains it with full-time engineers
When Selenium Still Makes Sense
Playwright is not always the right choice. Consider Selenium when:
- Your team has an existing, large Selenium suite with significant investment
- You need to support Internet Explorer or older browsers
- Your organisation uses a licensed Selenium Grid infrastructure
- Your testing requirements involve non-browser automation (desktop apps, mobile native apps)
For new projects starting from scratch, Playwright is the better choice in 2024.
💬 Discussion
Has your team experienced test flakiness with Selenium or other automation tools? What was the root cause, and how did you address it?
What is Playwright's primary solution to test flakiness caused by timing issues?
Next Lesson
Locator strategies: getByRole, getByText, getByTestId