This is the modern web

“The initial cartoon load was super fast.”

Recursion is DEAD and HTML killed it

Inside the proposal that lets pages assemble themselves.

Shipping JPEG XL in Chrome

Chrome 155 brings a Rust-based JPEG XL decoder.

Aiming at Adobe with open-source clones

The solo developer who says, “Software is over.”

cssEarth

Explore the universe in 3D HTML and CSS.

12 things I miss since coding died

Joys of coding that AI quietly took away.

The people holding up the internet

The maintainers nobody pays and everyone needs.

Let’s Encrypt 64-day certificate lifetimes coming

Certificates default to 64 days on February 10, 2027.

The web needs interactive lists

A UI pattern native platforms already provide.

Deno is joining Cloudflare

The story behind merging celld and workerd.

2027 Web Platform Feature Ranking

Rank which web platform features need most progress.

How to turn off AI in Visual Studio Code

It takes a single switch and it stays off.

Gradient Visualizer

A visual tool to debug multi-layer CSS gradients.

The DNS Museum

Clever, weird, and wonderfully pointless uses of DNS.

Phosphor

Smarter color ramps for data visualizations.

HTML standards in progress

Making video posters responsive and accessible.

The future of AI might not be LLMs

“I hope we’ll see more inexpensive, single-purpose AI models.”

The best way to use icons in web UIs

Insert and tweak icons in CSS without touching HTML.

The disappointing death of Deno

What happened, why, and what’s next.

Grok is killing cursor

”Cursor without choice is a Grok harness.”

The math of CSS typesetting

Recommendations for typography on the web.

Webpage copy protection is impossible

Why it’s a feature, not a bug.

TypeScript won

“Now it’s giving up its superpowers.”

Accessible Components Library

Components with code, guidance, and test scenarios.

Experimental soft navigation metrics

CrUX now has experimental SPA UX data.

JPEG XL vs. AVIF for web use cases

Where each modern image format actually wins.

Why WebMCP matters

“WebMCP is web performance for AI agents on the web.”

Modernizing the Visual Studio Code UI

Where coding and agents finally feel alike.

Web accessibility smoke testing

Six quick browser checks before submitting a pull request.

SVG “linked parameters” will reshape icon systems

Styleable, cacheable, accessible icons as images.

Agentic verification

Give your agents a way to verify their work.

Anti-patterns in software blogging

How developers sabotage their own blog posts.

Melt effect

One tiny SVG filter that melts icons, images, and text.

/dev/null

A social network for developers where every post is a commit.

F*cking Good Libraries

Where creative web developers find the right library.

Thank you, Deno

“We’re all better off because of its existence.“

One last line of code

“Make it something that’s really you.”

Agents don’t need memory

They need a brain they keep updated.

Scroll-triggered animation

The missing piece for scrollytelling on the web.

Do web components have a future?

What remains of custom elements in the AI era.

Automated screen reader testing

Running Gherkin with Claude Code and VoiceOver.

CodePen AI is here

Meet the AI agent for your Pens.

You should deploy on Friday

Debunking the myth of risky Friday releases.

eMudhra’s CA keys cracked in milliseconds

What happened, who’s exposed, and what to check now.

Accessibility Compatibility Data (ACD)

Bringing accessibility support data to developer tools.

PHP warns of imminent emergency patches

“Website admins, brace yourselves.”

How we’re strengthening PHP security

How two vulnerabilities nearly broke the web.

The State of AI Security

The threats, the tools, and the gaps.

There is no easy exploit for php2shell

“Nowhere near as easy as Log4Shell/Heartbleed/RoRYaml etc.”

Fingerprints are the new cookies

How fingerprints work and what you can do about it.

That’s what I call technical debt

15 hits about unpaid maintainers and overconfident AI agents.

New features vs. old fires

“Our top priority should be fixing our technical debt.”

CSS-Tricks has a new owner

“CSS-Tricks is an independent site once again!”

The Lethal Trifecta

Protecting agents from a common prompt injection attack.

The PHP panic has not turned to patching

93.6% of systems remain exposed to PHP2Shell.

Getting good at AI takes time and practice

“It’s like working with a really weird person.”

The AI cost of JavaScript frameworks

Which frameworks are better for agents?

Website migration costs are going to zero

When leaving a CMS is easy, staying must be earned.

Useful @custom-media presets

I can’t wait to use custom media queries.”

The web can’t afford a JS runtime monoculture

What took over browsers is now consolidating the server.

A practical AI search visibility check

Compare your Google and AI Mode visibility.

Only now will we begin to see how much vibe-coded technical debt non-programmers have been accumulating over the past two years when their apps start falling apart.”

Snitch

An application firewall and real-time network monitor.

The iPhone Duo and web development

Building web layouts that respect the fold.

Time to rethink software security?

AI makes attacks easier and defense harder.

New to the web platform (October 2026)

Baseline scroll-driven animations, wider JPEG XL support, and more.

A select should tell you something

Customizable HTML ‘select’ options make choices easier.

CSS math dance

Dancing through CSS math function curves.

Death comes for XSLT

A beloved web technology awaits its execution.

robots.txt for AI crawlers

You can allow AI search, but disallow AI training.

The next dependency problem

Your AI agents rely on dependencies too.

Why review AI-generated code?

“Better to use AI to create better tooling.”

Cloudflare Radar’s Zero Wire

Briefings on urgent vulnerabilities and threats.

Site Seeing

Test your responsive design in real-world contexts.

Modern CSS might make frontends harder

What replacing JavaScript with CSS really costs.

Taming typography

Building a modern CSS reset.

The card skimmer inside your jQuery

SuperPixel replaces your payment form with a fake.

Groundbreaking SVG upgrade is approaching

CSS variables will soon reach inside your SVGs.

How to use AI without using AI

Getting the right balance of man and machine.

Just put some HTML on the web

“It’s a good idea to have less stuff that can be hacked.”

Theme switching made easy

A full-featured theme picker web component.

If you love a website, back it up

A hands-on guide to saving your favorite websites.

Is software solved?

Measuring AI’s progress toward autonomous software engineering.

Ship it!

Use new CSS without breaking anything.

You already don’t understand your code

The layers kept changing, but your code didn’t.

CSS-Tricks, version 20

“We just pushed a site redesign.”

“Our bottleneck today is our attention. So we need to optimize our systems around our attention, not around agents producing more stuff.”

Storybook 11 beta

Agent-ready components for modern frontends.

How to dismiss a popover or dialog

Closing overlays the way users already expect.

“A few years ago, if you told someone you were a software developer, they said something like ‘oh, that must be complicated, I have no idea how that works.’ Now they say ‘oh, you do software? I do too, I made a tool yesterday while watching TV.’”

Design engineering skills

Practical skills for your AI agents and Figma.

Introducing the Cross-Origin Storage API

Sharing big files across websites by hash.

Google releases Modern Web Guidance 1.0

The setup that avoids unwanted code.

WebMCP explained with a to-do app

When agents stop guessing what a webpage does.

MCP is dead simple

“And that’s exactly the problem.”

Interfaces that understand what we want

How AI decision models turn user intent into actions.

Responsible for code you don’t understand?

“AI’s primary purpose is to deskill its operators.”

Making a website in 2026

How six AI tools created one small website.

Let AI do what AI does best

How AI improved every app during a camping weekend.

Compound naming conventions

From camelCase to SCREAMING_SNAKE_CASE in one sketch.