Kacper Szarkiewicz
Design Engineer
Me
I build dApps. I specialise in Frontend and UX in Web3.
Projects
Writing
Latest
The Critical Rendering Path - From URL to First Pixel
Follow one request from the moment you press…
EIP-6963: discovering wallets without the window.ethereum race
EIP-6963 event handshake lets you discover every wallet, replacing window.ethereum's global race.
Keyboard navigation shouldn't be animated
When a command menu is driven by the…
Popular
Why z-index Isn't Working
CSS z-index explained: why z-index: 9999 fails, how stacking contexts trap elements, and how the top layer solves it.
Direction-Aware Navigation
How to build the Aave navigation menu in Radix UI.
Expanding Hit Areas in CSS
Why hover states flicker between elements, and how to fix it, WCAG 2.5.8
Flashcards
Newsletter
Stay updated with my latest articles and projects. No spam, no nonsense.
More
You can see more of my work on X, more of my code on GitHub, and my videos on YouTube. You can also reach me at .
There's also a list of bookmarks I keep returning to, and the agent skills I've built.