Optimizing End-to-End Testing with Playwright: A Practical Guide

End-to-end (E2E) testing is a crucial step in ensuring that web applications function as expected across different scenarios, devices, and browsers. However, maintaining efficient and reliable tests can be challenging. This is where Playwright shines — offering a powerful and developer-friendly framework for robust E2E automation. In this guide, we will explore how to optimize Playwright for E2E testing, covering best practices for improving test readability with fixtures, handling authentication flows, working with data tables, and verifying responsive design. Additionally, we will dive into performance budgets to maintain a smooth user experience. Whether you’re transitioning from Selenium or Cypress, or you are new to Playwright, this guide will help you write cleaner, more maintainable tests that ensure your web applications perform flawlessly.