Articles for people who
ship the stack
Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Tagged: Frontend
When React Memoization Backfires: Why Fewer Renders Made the App Slower
When React memoization backfires: memo, useMemo and useCallback added cost and stale closures to a big page. Moving state and profiling the flow fixed it.
13 min readWhy Frontend Is Hard After React: State, Effects, Boundaries and AI Tools
React made UIs easier to build, not easier to design. Where state lives, tangled effects, system boundaries and AI-generated code are the real frontend work.
9 min readNine Ways to Speed Up Next.js Dev Builds and Production Bundles
Faster Next.js: use Turbopack, skip barrel files, split type checking, keep client components small, lazy-load heavy libraries and trim production bundles.
4 min readLetting Designers Ship Components Straight to Production with AI Agents
How a web team ended the build-it-twice cycle: designers write in the production library with agents, engineers review the contract, and a week of work becomes an hour.
7 min readHow Browser Storage Quietly Corrupts User Data and How to Prevent It
Browser storage can corrupt user data with no error: lost updates, stale snapshots, schema drift and shared devices. Patterns for localStorage that hold up.
14 min readFront-End Browser Testing That Holds Up: Journeys, Assertions and Flaky Tests
A practical approach to front-end testing: choose critical user journeys, write outcome assertions, control staging data, cut flakiness and review AI-generated Playwright tests.
8 min readReact 19 Actions in Practice: What useActionState, use() and the Compiler Retire
React 19 actions retire a lot of code: form handlers, optimistic updates, forwardRef and manual memoization. What useActionState, use() and the compiler change.
6 min readWebMCP Explained: Letting Websites Publish Tools Instead of Agents Clicking UIs
WebMCP lets a website publish tools such as add_todo straight to AI agents instead of having them click through the UI. Tool definitions, OAuth, early days.
6 min readReact Components Must Be Pure: The Idea Behind StrictMode and the Compiler
Why React expects pure components, how StrictMode's double render exposes impurity, where side effects belong, and why the React Compiler relies on purity.
9 min read
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