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A flowing WebGL gradient, deconstructed
An introduction to writing WebGL shaders using gradient noise and cool math.
New
The latest blog posts to take off on Hacker News. 499 posts.
362
You might not need WebSockets
Websockets are powerful tools that have become a fan-favorite for building realtime applications, but you might be using them for all the wrong reasons. Let's explore the pitfalls of websockets and how we can use plain old HTTP to get the same job done.
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Datastar: Web Framework for the Future?
# TLDR Datastar is a new hypermedia framework that makes building real-time web applications simpler and more efficient. It prioritizes server-side logic, uses “signals” for automatic UI updates, and leverages Server-Sent Events for lightning-fast performance. If you’re looking for a streamlined alternative to…
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Default styles for h1 elements are changing
Browsers are starting to roll out changes in default UA styles for nested section headings. This post describes the incoming changes, how to identify if it's an issue on your websites, and hints for conformant and better-structured pages.
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Hacker News Hug of Deaf
About three years ago, I set up a tiny netcat loop on one of my Debian servers to accept arbitrary connections from the Hacker News (HN) community. The loop ran for 24 hours and did exactly three things whenever a client connected:
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Design System Options for Rails
Choosing a design system and component library for Ruby on Rails applications
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Hardening the Firefox Front End with Content Security Policies
Most of the Firefox User Interface (UI), including the address bar and the tab strip, are implemented using standard web technologies like HTML, CSS and JavaScript plus some additional custom components like XUL. One of the advantages of using web technologies for the front end is that it allows rendering the frontend…
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Clojure: Realtime collaborative web apps without ClojureScript
A blog mostly about Clojure programming
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Better typography with text-wrap pretty
Support for text-wrap: pretty just shipped in Safari Technology Preview, bringing an unprecedented level of polish to typography on the web.
370
Less Htmx Is More
How to build great websites with htmx by learning a couple browser features alongside it.
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A Supermarket Bag and a Truckload of FOMO
The day was nearing to a close. The sun has already set, but that Friday evening in Amsterdam was still warm. Unusually warm, in fact, for those late days in March – as if spring decided to bless my pilgrimage, for that pilgrimage was not jovial. I was sitting at a ramen joint, sipping on the broth. To my left, a…
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Gmail E2E is as terrible as expected
Recently, Google introduced E2E encryption in Gmail. It went bad.
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My Browser WASM't Prepared for This. Using DuckDB, Apache Arrow and Web Workers
by Przemyslaw Maciolek
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We are still using 88x31 buttons
introduction If you surf the modern "small web" to any extent you've encountered 88x31 buttons - a staple of late 90s and early 2000's websites under…
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What is Local first development
What is local-first software and why does it matter? This guide covers local-first architecture, offline-capable apps with automatic sync, data ownership, and how to build a local-first web app with Vue step by step.
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Overengineered Anchor Links
Learn about the overengineered anchoring pattern, a technique to improve the user experience of scrollable content.
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The case against conversational interfaces
Conversational interfaces are a bit of a meme. Every couple of years a shiny new AI development emerges and people in tech go "This is it! The next computing paradigm is here! We'll only use natural language going forward!". But then nothing actually changes and we continue using computers the way w
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The <select> element can now be customized with CSS
All the same interfaces, sweet new looks.
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Minimal CSS-only blurry image placeholders
Here’s a CSS technique that produces blurry image placeholders (LQIPs) without cluttering up your markup — Only a single custom property needed!
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The Website Hacker News Is Afraid to Discuss
What bothers me isn’t so much that Daring Fireball is shitlisted at Hacker News. What bothers me is that it’s unexplained.
383
Hyperlight WASM: Fast, secure, and OS-free
We're announcing the release of Hyperlight Wasm: a Hyperlight virtual machine “micro-guest” that can run wasm component workloads written in many programming languages. Learn more.
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You should know this before choosing Next.js
Picking the technology stack for a project is an important and consequential decision. In the enterprise space in particular, it often involves a multi-year commitment with long-lasting implication...
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Writing a tiny undo/redo stack in JavaScript
I’ve needed this before - a couple of times. Third time I figured I needed something small, nimble - yet complete. And - at the same time - wondering about how to do it in a very simple manner. I think it worked out great, so let’s dig in. Most UIs will have some form of undo functionality. Now, there are generally…
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Move on to ESM-Only
Three years ago, I wrote a post about shipping ESM & CJS in a single package , advocating for dual CJS/ESM formats to ease user migration and trying to make the best of both worlds. Back then, I didn’t fully agree with aggressively shipping ESM-only , as I considered the ecosystem wasn’t ready, especially since the…
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Achieving Great Privacy with Safari
Browsers have always been an arena for fighting and flaming over why your browser is the best and has the most features, while all others are inferior and un...
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Improving recommendation systems and search in the age of LLMs
Model architectures, data generation, training paradigms, and unified frameworks inspired by LLMs.
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Next.js version 15.2.3 has been released to address a security vulnerability
Last week, we published CVE-2025-29927 and patched a critical severity vulnerability in Next.js. Here’s our post-incident analysis and next steps.
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Map Features in OpenStreetMap with Computer Vision
Mozilla.ai developed and released the OpenStreetMap AI Helper Blueprint. If you love maps and are interested in training your own computer vision model, you’ll enjoy diving into this Blueprint.