Blog

Playwright Component Testing mounts real components in a real browser for testing. Learn how it differs from jsdom-based testing, when to use it, and how to write effective component tests.

Vercel's free tier is generous, but costs escalate fast. Here's a transparent cost comparison with DigitalOcean App Platform for real-world Next.js deployments at different traffic levels.

How to use React Suspense boundaries and streaming SSR to dramatically improve perceived performance in Next.js applications.

Vitest is Jest-compatible but runs on Vite's native ESM pipeline — making it 10-20x faster for most projects. Learn how to migrate without breaking your test suite.

A practical comparison of v0.dev, Bolt, and Lovable for generating React UI components in 2026. We test each tool on the same design tasks to find which produces the most production-ready code.

So sánh chi tiết Biome và ESLint — performance, ecosystem, migration path, và khi nào nên chuyển sang Biome cho dự án frontend.

Railway makes deploying full-stack Next.js apps with databases trivially easy. This step-by-step guide covers deployment, environment variables, PostgreSQL setup, and production optimization.

Git worktrees let you check out multiple branches at once in separate directories. Stop stashing and switching — learn how worktrees make parallel development effortless.

The right VS Code extensions can dramatically improve your productivity. Here are the must-have extensions for frontend developers in 2026, from AI assistants to debugging tools.