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Kevin Dang

Writing

Notes on engineering, craft, and the occasional passing thought.

Prefetching on hover

Switching tabs flickered every time I first loaded the page. The fix was to stop waiting for the click — and start fetching on hover.

August 15, 2026

Reopening “cold cases” with AI agents

Everyone's using AI to build new things. I've found it's just as good at reopening the old bugs you patched but never really solved.

July 11, 2026

Implementing offset-based pagination with infinite scroll in React Router

A practical guide to implementing offset-based pagination with infinite scroll using React Router loaders and IntersectionObserver.

December 18, 2025

Reflections on LLMs and their impact on curiosity

A personal reflection on how the rise of LLMs is changing our habits as learners and developers — and what we lose when curiosity gives way to convenience.

October 26, 2025

Rotation in a web based design canvas

Adding rotation to a design canvas looked like a one-line transform — until collision detection and resizing stopped agreeing with what was on screen.

October 22, 2025

Test Data Factories and Builders: Smarter Ways to Set Up Your Tests

A practical look at test data factories and builders — what they are, how they reduce duplication, and when to use one over the other in your test.

May 23, 2025

Why I keep rebuilding my blog (but struggle to write)

Each year I find myself redesigning my blog with renewed energy — and each year, I realise how little I've written or created.

May 12, 2025

Building a notification system

Why I built a notification system from scratch instead of reaching for a library — and what writing it myself taught me.

January 1, 2024

Web accessibility commentary

A personal take on why building accessible web experiences means going beyond specs—and listening to real users who rely on assistive tech.

November 22, 2023