Test Automation
E2E Testing TanStack Router SPAs with Playwright: Navigation, Search Params, Nested Layouts
TanStack Router SPAs use client-side navigation — no full page reloads, history managed by the router, search params validated by Zod.
playwright
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Testing
WebRTC Testing Guide: Unit Tests, Integration with Playwright, and Media Quality
WebRTC applications are notoriously hard to test because they involve browser APIs, network negotiation, and real-time media. This guide covers mocking RTCPeerConnection in Jest, intercepting WebRTC in Playwright, measuring media quality with getStats(), and simulating adverse network conditions. WebRTC powers video calls, screen sharing, and peer-to-peer data
Testing
WebXR API Testing with Playwright and Mock Devices
WebXR brings immersive experiences to the browser, but it introduces a testing gap that trips up most teams.
Internationalization
E2E i18n Testing with Playwright: Multi-Locale Test Suites
Unit tests verify that translation keys are correct; end-to-end tests verify that the application actually delivers the right experience when a real user visits with a specific locale. Playwright's projects configuration makes multi-locale E2E testing practical—you define locale-specific configurations once and the entire
Testing Tools
Cypress vs Playwright: End-to-End Testing Comparison
Cypress and Playwright are the two dominant end-to-end testing frameworks for web applications.
Testing
Testing Electron Apps with Playwright: End-to-End Desktop Automation
Electron applications present a unique testing challenge: they're web apps running in a desktop shell, combining Chromium's rendering engine with Node.js.
Testing
OpenTelemetry with Playwright: E2E Testing with Full Observability
Playwright tests verify what the user sees. OpenTelemetry traces verify what the backend did to produce it.
E2E Testing
TestCafe vs Playwright: Modern E2E Testing Compared
Both TestCafe and Playwright eliminate the WebDriver bottleneck. TestCafe uses a proxy-injection model; Playwright uses a custom browser protocol built into Chromium, Firefox, and WebKit. Both are fast, modern, and actively maintained. The differences are in the details — API design, parallelism model, multi-language support, and ecosystem maturity. Architecture
Testing
Percy Visual Testing with Cypress and Playwright: Complete Tutorial
Percy is a visual testing platform from BrowserStack that integrates directly with Cypress and Playwright.
Testing
WebdriverIO vs Playwright vs Cypress: Which to Choose in 2025
Choosing a browser automation framework is one of the more consequential decisions a QA team makes. The wrong choice means rewriting tests later.
Testing
Playwright Component Testing: Test React and Vue in Isolation
End-to-end tests are great for validating full user flows, but they're slow to write and slow to run when you're testing a single component.
Testing
How to Write Playwright Tests: A Complete Beginner Guide
Playwright has quickly become the go-to tool for end-to-end browser testing. It's fast, reliable, and supports all major browsers out of the box.