New HTML feature ‘hidden=until-found’

It makes hidden content findable via browser search.

Learning web development

A blog series for beginners with basic HTML/CSS skills.

YouWare

A platform to build and share vibe coding projects.

EmbedPDF

A framework‑agnostic JavaScript PDF viewer.

Joomla turns 20

The Joomla community celebrates its beloved CMS.

The reality of AI software productivity

”AI coding tools provide useful boosts but not miracles.”

An interactive guide to SVG paths

How they work and what you can do with them.

CSS-only scrollspy effect

Two emerging CSS features make it possible.

We keep reinventing CSS

But styling was never the problem.

The future of large files in Git is Git

Managing large files in Git, today and tomorrow.

Launching MDN’s new front end

“Redesigned and reengineered from the ground up.”

“If I lose my job due to AI, it will be because I used it so much that it made me lazy and stupid to the point where another human has to replace me, and I become unemployable.”

The Pragmatic Engineer 2025 Survey (Part 2)

Which tools do software engineers use today?

AGENTS.md

A simple, open format for guiding coding agents.

AWS in 2025

The stuff you think you know that’s now wrong.

Crush

“Your new coding bestie in your favorite terminal.”

Can UI components conform to WCAG?

Why they technically can’t, and why it makes sense.

Smart layouts

Ahmad Shadeed‘s inspiring talk at CSS Day 2025.

Rolling the dice with CSS random()

Native random numbers are coming to CSS.

Using the Safari developer tools

How to get started with Safari’s Web Inspector.

Using the new CSS @function rule

Some examples where this comes in handy.

Google did not decide to kill XSLT

What’s happened and what might lie ahead.

Hyperclay

Web apps that feel like editing documents.

CSS text shadow techniques

Choose the right method for your project.

Email is easy

Everyone knows what an email address is, right?

CSS resizing of DOM elements

All you need is two lines of CSS.

The most popular email providers

Google and Microsoft dominate, yet the long tail persists.

What is a color space?

More than everything you ever wanted to know.

An illustrated guide to OAuth

How delegated access works behind the scenes.

The multi-tab logout problem

What to keep in mind for sites with accounts.

Grid-aware status bar

A web component for energy-smart websites.

Optimizing PWAs for display modes

How to create truly adaptive Progressive Web Apps.

Visualizing responsive typography

What do all the numbers in our clamp() do?

Stop trying to kill the Single-Page Application

“Reports of SPA’s death are greatly exaggerated.”

Exploring grid-aware websites

A small demo of what they might look like.

The basics of anchor positioning

An interactive guide to an exciting CSS feature.

Hack to the future

What past front-end approaches still teach us.

Introducing AI Crawl Control

Cloudflare boosts content creators’ control over AI.

Python, the documentary

The story of the beloved programming language.

CSS elevator

A pure CSS state machine with floor navigation.

Alt text button for website images

A way to make alt texts accessible to everyone.

Just building a website

“I tell you! He has lost his ******* mind!”

URL Shadify

Why only shorten a URL when you can sketchify it?

“A CSS reset, but every value is suffixed with !important.”

oklch.fyi

An OKLCH color picker, generator, and converter.

Do the simplest thing that might work

”It’s surprising how far you can take this advice.”

New to the web platform (August 2025)

The latest browser features at a glance.

You no longer need JavaScript

How far you can go with CSS in 2025.

Obnoxious SSL certificate requirements

How to deal with the growing certificate hassles?

Vibe coding vs. AI-assisted engineering

Can you really vibe code to production-ready software?

Why browsers throttle JavaScript timers

“setTimeout(0) is not really setTimeout(0).”

Human-readable XML without XSLT

“JavaScript is, in my opinion, a better option.”

Passkeys and modern authentication

Let’s consider whether this is really what we want.

CSS corner-shape superellipse() generator

An online tool for shaping custom squircles.

AI bots and robots.txt

How websites use robots.txt to set AI crawling rules.

Untangling nested interactive elements

How CSS subgrid helps solve a common issue.

Next.js is infuriating

“There’s bugs and edge cases around every corner.”

Where’s the AI shovelware?

“Nobody is shipping more than before.”

Proposals for Interop 2026

Your opportunity to help elevate the web platform.

Don’t inherit the CSS box model

“It’s time to stop spreading this out-dated practice.”

Functional custom elements

Effortless web components with functional JavaScript.

The return of tech specs

Tech specs in the age of AI-assisted programming.

The fundamentals of CSS alignment

How alignment properties work in layouts.

Editing my website in the browser

How the static site’s in-page editing works.

LooksSame

A Node.js library for human-like image comparisons.

SMS URLs

There is a URL scheme ‘sms:’ similar to ‘mailto:’.

ARIA-live cheatsheet

Announcing stuff without annoying your users.

Text lengths with ‘Intl.Segmenter’ API

Human-friendly character counting in JavaScript.

The Node.js Handbook, 2025 edition

A full guide to Node.js from basics to advanced.

Color shifting in CSS

An exploration of color animation techniques.

Angry users say git rid of it

Forced GitHub Copilot features drive users away.

Reciprocate

Make your HTML web components reactive.

Hackers hijack npm packages

Packages with over 2.6 billion weekly downloads.

Liquid glass in the browser

Apple’s stunning effect recreated with SVG/CSS.

CSS trust issues?

“Of course, I have trust issues.”

The Learn CSS course is updated

Fresh modules cover the latest CSS features.

CrUX Dashboard deprecation

Google prioritizes CrUX Vis for performance data.

Integrating CSS Cascade Layers

Cascade Layers without breaking a legacy codebase.

HTML conformance in 2025

“0 of the global top 200 websites use valid HTML.”

Git exclude

A handy feature you might not know about.

AGENTS.md gains traction

The rise of the open format for guiding coding agents.

Compiling multiple CSS files into one

Simplify your setup with a custom script or PostCSS.

Preloading fonts for performance?

When preloading helps, and when it hurts.

Not agile, not waterfall, but cascades

A hybrid development approach for the AI era.

Building an AI agent, on-device

All you need is Chrome or Edge to get started.

Open source is one person

Almost all projects have a single maintainer.

Maple Mono

A monospace font crafted for smooth coding.

How modern browsers work

A web developer guide to browser internals.

‘Copy as cURL’ in DevTools

Easily share and debug HTTP request issues.

Styling siblings has never been easier

What to expect from two emerging CSS additions.

Fixing the fun CSS stuff?

Fix the important CSS stuff too.

WebKit features in Safari 26.0

Apple’s browser takes another leap forward.

Keeping package.json under control

The art of finding the right shoulders to build on.

Do we still need custom components?

“Exciting developments are just around the corner.”

4x velocity, 10x vulnerabilities

”AI is fixing the typos but creating the timebombs.”

MCP Registry

GitHub’s directory for exploring MCP servers.

Oh no, not again...

“NPM has become the easiest way to ship malware.”

CSS :heading and :heading()

Styling headings is about to get much easier.

Web Analytics by default

Cloudflare soon enables powerful analytics on its free plan.

CSS to speech

When and how to use alt text for CSS content.