Bookmarks

A weekend with the iPhone Duo simulator: the Device Posture and Viewport Segments APIs, and how close Video.js gets to a native-feeling folded video player.

How far ahead Chrome, Firefox and Safari fetch lazy media, why a lazy hero image slows your page, and where to use lazy, eager and fetchpriority.

SwiftUI-like components, styles as modifiers, and a compiler that catches broken links before visitors do. How this site is made, and why I love working on it.

There’s a new web platform feature flighting in Chromium called Declarative Partial Updates. This proposal adds a new ?marker element which enables out-of-order streaming of content. Rather than the traditional way of building the HTML you need on the server, or sending JSON down to a JavaScript framework, you can staple HTML onto the initial response and use the template for="" syntax to inject that content into the ?marker name="" placeholder.

An in-depth look at CSS scroll-triggered animations (animation-trigger), how view ranges and actions work, sibling-index staggering, and progressive enhancement.

The Modern CSS Reset 🚀. Contribute to ikrishg/reseter.css development by creating an account on GitHub.

The Modern CSS Reset — cross-browser normalization with a compact footprint.

Animated ascii art for web pages, in TypeScript: React, Next.js, Astro, or one HTML tag - bas3line/ascii

240 animated ascii pieces for web pages, in TypeScript with no dependencies: for React, Next.js, Astro, or one HTML tag. MIT licensed.

Free Chrome extension to measure pixels, inspect elements and fonts, pick colors, extract assets, and edit CSS on any page. Trusted by 70,000+ developers and designers.

A curated, opinionated directory of web performance tools — ranked by what actually matters for your role. Plus a performance newsletter.

Discover plugins for Vite, Rolldown, and Rollup

Contribute to JLarky/lift-html development by creating an account on GitHub.

Welcome to lift-html documentation

TanStack Start 1.0 is stable and ready for production.

How we migrated from react-i18next to LinguiJS in a day. Tips and tricks for a quick, pain-free internalization transition

Compare react-i18next, react-intl, Tolgee, and LinguiJS. Features, message format, limits, and which React i18n library fits your project in 2026.

Summary eslint-config-next crashes under ESLint 10. This makes it work with both ESLint 9 and 10 without raising Next.js's Node.js minimum (>=20.9.0). ESLint 10 itself requires Node.js ^20.1...

I prototyped a number of optimizations as a way to learn more about the React Compiler and got some significant improvements.

The cost of accepting className on system components.

Four pull requests, 300 lines, no byte deleted — the editor reaches first render 15–19% faster.

Get Certified! Have your developer skills validated and stand out in the crowd for promotions and new positions.

What if I told you, you could use CSS to insert and tweak icons without touching any HTML? And that it could be more flexible and maintainable than what you’ve been using?

Iframes can now size themselves to their content with CSS. What it replaces, where it helps, and why the embedded page has to say yes.

Version 155 of the popular web browser will ship with a JPEG XL decoder

Fixes 166 issues, addressing 122 👍. bun check, a TypeScript type checker built into Bun that is 3x to 6.4x faster than tsc 7, --check for bun run, bun build and bun test, 67–89% less idle CPU, Bun.FetchSession, experimental Bun.ModuleGraph, --disallow-code-generation-from-strings, up to 2.7x faster large node:http responses, a JavaScriptCore upgrade with faster JSON.parse, faster rejected-promise handling, CompressionStream compression levels, If-Range support in Bun.serve, bun install skips tarballs it won't install, lower bun build memory with many entry points, [hashN] output names, profile-guided bytecode layout and faster startup for --compile --bytecode, and many bugfixes and Node.js compatibility improvements.

Partytown - Run third-party scripts from a web worker

Relocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉 - QwikDev/partytown

For the past two years, I've been working with a client, an enterprise software company, and it has opened up a whole new world for me. There's so much I didn't know, and so much that can be made better. So going forward, enterprise software is what I'll be learning and writing about.