playwright-best-practices

Reliable Playwright E2E tests require semantic selectors like getByRole, explicit wait strategies instead of arbitrary delays, and strict test isolation to prevent flaky failures.

The best Playwright selectors use semantic locators such as getByRole, getByTestId, and getByLabel, which target elements by their accessibility role or test identifier rather than relying on brittle CSS queries.

You should avoid waitForTimeout in Playwright because it introduces arbitrary delays that cause flaky tests; instead, use Playwright's built-in auto-waiting and explicit assertions for reliable execution.

Yes, you can include keyboard accessibility checks in your Playwright testing workflow by integrating a11y assertions and keyboard navigation scenarios to ensure your web app is accessible.

To test responsive web apps with Playwright, configure multiple viewport sizes and device configurations within your test scripts to validate behavior across diverse screen dimensions.

The best way to isolate Playwright tests involves cleaning up application state between test runs and ensuring each test executes independently to prevent state interference and flaky results.