WebSkill: Agent Skills in the Browser
WebSkill (webskill.ai) is a draft proposal to run Agent Skills in the browser, using OPFS and Web Workers. How it works and where the claims are thin.
Lead Frontend Engineer and Open Source Maintainer
I'm Dennis Morello, a Lead Frontend Engineer from Milan with over a decade of experience building accessible web interfaces. I maintain React Awesome Reveal and Arbor, and write about TypeScript, React, and Astro here.
Writing
All postshtmx 4: What's New, What Breaks, Why It's Not latest
htmx 4.0 is out: fetch() internals, explicit inheritance, no more history cache. What breaks, how to migrate, and why 2.x stays latest on npm until early 2027.
Why I Replaced Tailwind CSS With Vanilla CSS
I pulled Tailwind CSS out of my Astro site and rewrote it in vanilla CSS. Here's why modern CSS made the framework optional in 2026, and how I did it.
Projects
Arbor
A friendly CLI for managing git worktrees.
Clipwise AI
Chrome extension that converts webpages to clean Markdown for ChatGPT, Claude, and other AI assistants.
Defrag98
A simulator of the classic Windows 98 Disk Defragmenter tool.
Investment Simulator
A simple investment simulator to help you understand the power of compound interest.
React Awesome Reveal
Performant and easy-to-use animation library for React apps.
Talks
Writing Accessible Components
Learn how to build React components that are accessible by default, with a live coding session building an accessible accordion from scratch.