13 min read
When to Use WebSockets (and When You Don't Need Them)
If the browser barely talks back, you probably want something simpler.
#websockets#browser#javascript
Blog
I write here when something finally clicks and I want to share it.
12 min read
Best AI for Coding in 2027: Models, Tools and Real Costs
"Which AI is best for coding?" is the wrong question. Here are the three right ones.
#ai#devtools#performance
8 min read
postMessage Security: Checking event.origin the Right Way
A message handler without an origin check is an open API.
#javascript#browser#security
11 min read
How I Built a DevTools Panel for Debugging postMessage
DevTools shows every request and none of the messages. So I built the missing panel.
#javascript#browser#devtools
10 min read
React Commit Phase Deep Dive: Sub-phases, Effects Order, and Practical Traps
A deep dive into the React commit phase - what actually happens after reconciliation ends. Covers all three sub-phases, the exact execution order of useInsertionEffect, useLayoutEffect, and useEffect, cleanup sequencing, and the bugs that follow when you get it wrong.
#react#internals#performance
11 min read
React State Management in 2026: Zustand, TanStack Query, Jotai, and When to Use Each
The state management landscape has settled. Server state and client state are now separate disciplines with different tools. Here is the practical breakdown of Zustand, TanStack Query, Jotai, and Context - when to use each and how they fit together.
#react#performance
9 min read
React Compiler: Automatic Memoization and the End of useMemo Boilerplate (2026)
React Compiler v1.0 hit production in October 2025 and changed how we think about performance. Here is what it actually does, when you still need useMemo and useCallback, and how to migrate an existing codebase.
#react#performance#internals
8 min read
Next.js App Router vs Pages Router: A Practical Guide (2026)
A practical comparison of Next.js App Router and Pages Router - routing, data fetching, layouts, caching, and when to actually use each one.
#nextjs#react#performance
7 min read
React Rendering Explained
How React rendering works under the hood: reconciliation, virtual DOM, batching, and what actually triggers a re-render.
#react#performance#internals
6 min read
React Hooks Deep Dive
Practical tips on useEffect, useLayoutEffect, useReducer, and useRef - their optimization patterns and common pitfalls.
#react#hooks
4 min read
TypeScript Generics Explained
A deep dive into generics - one of the most powerful and misunderstood features of TypeScript.
#typescript#javascript
5 min read
React Performance Tips
Key techniques to keep your React app fast and responsive.
#react#performance
