If you've been in test automation for a while, you've probably used Selenium at some point. Maybe you've tried Cypress too. Playwright is the newer one — released by Microsoft in 2020 — and it's been eating everyone's lunch ever since.
This guide isn't going to waste your time with a "what is testing" explanation. You already know testing matters. What you're here for is Playwright specifically, and whether it's worth learning.
Short answer: yes. Here's why.
What Playwright Actually Is
Playwright is an open-source browser automation library that lets you control Chromium, Firefox, and WebKit (Safari's engine) with a single API. You write tests in TypeScript, JavaScript, Python, Java, or C# — and the same test runs across all three browser engines without modification.
That's not just a marketing claim. It genuinely works. The browser-specific hacks you needed with Selenium are mostly gone.
Why It Wins Against the Competition
vs Selenium
Selenium is the grandfather of browser automation. It works by sending HTTP commands to a browser driver (ChromeDriver, GeckoDriver, etc.) which then controls the browser. This round-trip communication is slow and flaky.
Playwright communicates directly with the browser over the Chrome DevTools Protocol (CDP), or a similar protocol for Firefox and WebKit. It's faster, more reliable, and has direct access to browser internals.
Selenium also has no built-in waiting strategy. You manually add driver.implicitly_wait() or WebDriverWait everywhere. Playwright has auto-waiting built in — it waits for elements to be ready before interacting with them.
vs Cypress
Cypress is excellent and has a great developer experience. But it has real limitations:
- Cypress only runs in Chromium-based browsers (Firefox support is experimental and limited)
- No native mobile testing
- Can't test across multiple tabs or windows easily
- No built-in support for non-browser protocols (API testing, etc.)
Playwright handles all of these out of the box.
vs Puppeteer
Puppeteer is also from Google/Chrome and uses CDP too. But it's Chromium-only and designed for browser automation, not specifically for testing. Playwright started as a fork of Puppeteer and has long surpassed it.
What Makes Playwright Actually Good
These are the features you'll use constantly — not theoretical advantages, but things that will save you hours every week.
Auto-waiting — Playwright waits for elements to be visible, enabled, and stable before clicking or typing. No more sleep(2) or explicit waits sprinkled everywhere.
Locators — The modern way to find elements. Unlike raw page.$(selector), locators are lazy (evaluated on interaction), auto-retrying, and stricter. You'll use these for everything.
const button = page.getByRole('button', { name: 'Add to Cart' });
await button.click(); // auto-waits until button is clickable
Traces — When a test fails in CI, you get a trace file with a full timeline: every action, every network request, screenshots at each step, and even a video. You can open it in a browser and scrub through what happened. This alone is worth switching for.
Network interception — Block requests, mock API responses, simulate offline mode. All built in, no plugins needed.
Parallelism — Tests run in parallel by default across workers. On a decent machine, 50 tests can finish in the same time it used to take to run 10.
Codegen — Run npx playwright codegen https://saucedemo.com and Playwright records your browser interactions into test code. Useful for bootstrapping, not for production tests — but you'll use it.
What We're Building in This Tutorial
Every chapter in this tutorial uses SauceDemo (https://www.saucedemo.com) — a purpose-built e-commerce test site with intentional bugs, different user types, and real user flows.
We'll build a complete, professional test suite from scratch:
| Chapter | What You'll Build | |---|---| | Installation & Setup | Working Playwright project, first test | | Selectors | Selector strategy that scales | | Page Object Model | Test suite that doesn't collapse when the UI changes | | Assertions | Confident, non-flaky assertions | | Handling Flaky Tests | Diagnose and fix the flakiness you'll inevitably hit | | CI/CD | Tests running in GitHub Actions on every push |
By the end, you'll have a real test suite — not a toy example — that you can adapt for any project.
Prerequisites
- Node.js 18 or later
- Basic TypeScript (you don't need to be an expert — we'll keep it practical)
- A terminal you're comfortable with
That's it. Let's install Playwright.