Compression Dictionaries: Ship Only the Diff When Your Bundle Changes
You ship a one-line bug fix. Your bundler dutifully produces app.8f3c1a.js , a brand new filename, and every returning visitor downloads the whole 2…
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Uint8Array toBase64 and toHex: Stop Round-Tripping Bytes Through btoa
Every codebase that touches binary data has the same little helper buried in a utils folder. It takes a Uint8Array , spreads it into String.fromChar…
WebNN: The Only Web API That Can Reach Your NPU
There is a piece of silicon in your laptop that your web app has never once used. If you bought a machine in the last couple of years, it almost cer…
Trusted Types Is Baseline: DOM XSS Is Now a Type Error
Every codebase has one. Somewhere in a component nobody has opened in eighteen months, there is a line that reads el.innerHTML = someValue , and nob…
scheduler.yield(): The One-Liner That Fixes Your INP
Originally published on danholloran.me You click a button, and for a beat nothing happens. The spinner doesn't appear, the page feels stuck, and the…
Connecting Wallets the Right Way: wagmi v2 and EIP-6963
Originally published on danholloran.me If you've ever built a dApp and had a user complain that "your site only shows MetaMask even though I have Co…
CSS Scroll-Driven Animations: No JavaScript Required
Originally published on danholloran.me If you've ever added a scroll progress bar to a page or built a "reveal on scroll" effect, you've probably re…