TL;DR: Playwright is a free, open-source tool that automates real browsers so you can test websites the way users actually experience them, across Chrome, Firefox, and Safari. This guide covers what it does, how to write your first test, early tips, and the common snags beginners hit before moving on to more advanced scenarios.
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If you’ve ever manually clicked through the same signup form for the tenth time just to check a bug fix, you already understand why teams automate browser testing. Playwright testing lets you write that click-through once, as code, and run it in seconds, repeatedly, across multiple browsers, without a human at the keyboard.
This guide is for anyone who hasn’t used Playwright before. In this post, you’ll learn what Playwright is, when to use it, how to write a first test, a handful of early tips, and the rough edges you’re likely to hit as a beginner.
What Is Playwright?
Playwright is an open-source browser automation framework, originally built by Microsoft. Unlike older tools that simulate a browser, Playwright drives actual Chromium, Firefox, and WebKit (Safari’s engine) instances – so what you test is what your users actually experience. You can read the full breakdown on the official Playwright documentation.
Playwright is commonly used for:
- End-to-end testing: Verifying a full user journey (login, search, checkout) works correctly.
- Cross-browser testing: Running the same test against Chrome, Firefox, and Safari without rewriting anything.
- Visual and functional regression testing: Catching when a UI change accidentally breaks something.
- Mobile web testing: Emulating phone and tablet viewports without physical devices.
Common Use Cases for Playwright Testing
You don’t need a large, complex application to benefit from Playwright. The most common scenarios teams automate first:
- Login flows: Confirming users can sign in, and invalid credentials are correctly rejected.
- Form submissions: Checking required fields, validation messages, and success states.
- Search and filtering: Verifying a query returns the expected results.
- Navigation checks: Making sure buttons and links go where they should.
- Smoke tests: A fast, lightweight set of checks confirming the app is “up” before running a longer suite.
Writing Your First Playwright Test
A basic Playwright test has three parts: navigate, interact, and assert.
const { test, expect } = require('@playwright/test');
test('homepage has the expected title', async ({ page }) => {
// Navigate to the URL
await page.goto('https://example.com');
// Assert the title contains "Example"
await expect(page).toHaveTitle(/Example/);
});
Run it with a single command, and Playwright opens a real browser, navigates, checks the title, and reports pass or fail, no manual clicking required.
A slightly more realistic example, filling in a form and checking the result:
test('search returns results', async ({ page }) => {
await page.goto('https://example.com');
// Interact with the search input and submit button
await page.getByPlaceholder('Search...').fill('playwright');
await page.getByRole('button', { name: 'Search' }).click();
// Assert the expected text appears on the screen
await expect(page.getByText('Results for "playwright"')).toBeVisible();
});
Notice the locators – getByRole, getByPlaceholder – instead of raw CSS selectors. This is one of Playwright’s biggest strengths: it encourages you to find elements the way a real user or screen reader would, which produces more stable tests over time.
Tips and Tricks for Getting Started
A few habits will save you time in your first weeks with Playwright:
- Prefer role- and text-based locators over CSS classes.
getByRole('button', { name: 'Submit' })survives a redesign far better than.btn-primary-v2. While explicit IDs (like#submit-btn) are stable and can be used, they are generally treated as a lower priority because they don’t test the application from the user’s perspective (a user can’t see the ID, but they can see the button text). - Let Playwright wait for you. Its locators automatically wait for an element to be visible and actionable; you rarely need manual delays.
- Use the built-in test generator (codegen). It records your clicks in a real browser and writes the test code for you, which is a great way to learn locator syntax.
- Run tests in headed mode while debugging. Adding the –headed flag shows you the actual browser window as the test runs.
- Use the HTML report. After a run, Playwright generates an interactive report showing exactly what passed, what failed, and a screenshot or trace of any failure.
Common Difficulties Beginners Run Into
Even a “simple” website introduces friction once you start automating it:
- Timing issues. Even with automatic waiting, asynchronous content can trip up a new test. An intermittent failure is usually a timing problem, not a broken feature.
- Popups and cookie banners. Nearly every real website shows some kind of dialog on first load. Forgetting to dismiss it before continuing is one of the most common early mistakes. For on-page UI banners, you’ll need to click ‘Accept’. For browser-level prompts, avoid fighting the UI. instead, automatically allow them using Playwright’s grantPermissions API.
- Elements that “exist” but aren’t interactable. A button can be present in the page’s code but hidden, disabled, or off-screen. Playwright will tell you this clearly, but it’s confusing the first time you see it.
- Flaky tests on shared environments. Testing against a shared staging environment means occasional slowness that has nothing to do with your test code.
- Component libraries that hide their real elements. Some modern UI frameworks (like Calcite UI or standard Web Components) render their actual inputs inside a “shadow DOM”, which is a separate, encapsulated part of the page that is invisible to Playwright’s normal locators. This is a deeper topic covered fully in our next post.
Conclusion
Getting comfortable with Playwright’s core loop – navigate, interact, assert – is enough to start automating real regression checks within a day or two. That translates directly into fewer manual QA cycles, faster release confidence, and bugs caught before they reach production rather than after.
The friction shows up once your target app gets more complex: dynamic content, modern component libraries, or a shared test environment with its own quirks. That’s exactly the territory we cover in our next post (coming soon), where we walk through a real, more advanced test suite and the problems it forced us to solve.
FAQs
What is Playwright used for?
Playwright is used to automate browser testing for websites and web applications. Common uses include end-to-end testing, cross-browser testing, form validation, regression testing, mobile web testing and checking user journeys such as login, search and checkout.
Is Playwright free to use?
Yes. Playwright is a free, open-source browser automation framework developed by Microsoft. It can be used for personal and commercial projects without a paid licence.
Which browsers does Playwright support?
Playwright supports Chromium, Firefox and WebKit. This allows teams to test Chrome, Microsoft Edge, Firefox and Safari-like experiences using the same test suite.
Is Playwright suitable for beginners?
Yes. Playwright includes automatic waiting, readable locators, a built-in test generator and detailed test reports. A basic Playwright test usually involves navigating to a page, interacting with an element and checking the expected outcome.
How is Playwright different from Selenium?
Both tools automate real browsers. Playwright includes features such as automatic waiting, browser context isolation, tracing and modern locator APIs out of the box, making it well suited to testing dynamic web applications.
Why are my Playwright tests flaky?
Flaky Playwright tests are often caused by unstable test data, slow shared environments, dynamic content, popups or elements that are not yet ready for interaction. Stable user-facing locators, automatic waiting and Playwright’s tracing tools can help identify and reduce intermittent failures.
Reynaldi is a Senior Consultant at Cevo, specialising in AWS cloud migrations, infrastructure automation, and testing strategy. He draws on his diverse quality assurance background to help cross-functional teams turn complex technical challenges into scalable, automated cloud solutions.
