DevelopmentFun
Hallucinations using web components
How to make your self-written posts look machine‑written.
DevelopmentSamples
AI SVG generation benchmark
AI models’ SVG creativity put to the test.
DevelopmentFun
Advent of Code 2025
This year’s challenge with 12 programming puzzles.
DevelopmentSamples
Phone numbers everywhere
A HTML fix for unwanted Safari/iOS phone links.
DevelopmentResources
HTMHell Advent Calendar 2025
It’s back again with twenty-four more posts!
DevelopmentResources
Top layer troubles, popover vs. dialog
How to avoid possible conflict points.
DevelopmentResources
Web advent calendars for 2025
Selected calendars on web design/development.
DevelopmentResources
Web Performance Calendar 2025
“The speed geek’s favorite time of year.”
DevelopmentOpinions
The great betrayal of frontend sanity
“I’d call CSS-in-JS over-engineering disguised as progress.”
DevelopmentResources
Using CSS to fix the irradiation illusion
Improve dark mode’s font weight without layout shift.
DevelopmentResources
A pragmatic guide to CSS colors (part 2)
The many color options modern CSS opens up.
DevelopmentResources
Bun has been acquired by Anthropic
The JavaScript runtime will accelerate Claude Code.
DevelopmentResources
Decreasing certificate lifetimes
Let’s Encrypt will halve certificate validity by 2028.
DevelopmentResources
Speculation rules improvements
What’s new and next with the Speculation Rules API.
DevelopmentSamples
What if you don’t need MCP at all?
”Agents can run Bash and write code well.”
DevelopmentResources
JavaScript turns 30
On December 4, 1995, Netscape and Sun announced JavaScript.
DevelopmentTools
Accessibility tools alone won’t solve it
Testing Lighthouse, ARC Toolkit, axe DevTools, and AI models.
DevelopmentOpinions
The nuances of JavaScript typing
“JavaScript + JSDoc + tsc should be the industry default.”
DevelopmentResources
New in web performance 2025
What changed this year and what to expect next.
DevelopmentResources
The role of the HTML ‘lang’ attribute
A tiny detail can make it or break it for millions.
DevelopmentSamples
From GitHub to Codeberg
“All in all, I’m very happy with this migration!”
DevelopmentFun
Neapolitan
The ice-cream web stack.
DevelopmentResources
Re-imagine the web
What you can do with Scoped View Transitions.
DevelopmentFun
CSS selectors for the HTML element
A fun exercise to explore CSS selectors.
DevelopmentSamples
Adaptive SVG favicons
Favicons using the ‘prefers-color-scheme’ media query.
DevelopmentResources
Controlling dialogs and popovers
The power of the Invoker Commands API.
DevelopmentOpinions
Web performance 2025
“We can finally get as close as possible to instant loading pages.”
DevelopmentSamples
SVG clickjacking attacks
A novel and powerful twist on an old classic.
DevelopmentResources
CSS Wrapped 2025
The powerful CSS features that landed in Chrome this year.
DevelopmentOpinions
Fit text responsibly
”Be careful of the shiny new things.”
DevelopmentSamples
Safe environment variables in JavaScript
Registering variables is a small effort with big returns.
DevelopmentResources
10 years of Let's Encrypt certificates
A decade ago, the first publicly-trusted certificate went live.
DevelopmentTools
MCP joins the Linux Foundation
What it means for the next wave of AI development.
DevelopmentTools
Latest LLMs in the test
GPT 5.1 Codex Max, Gemini 3 Pro, and Claude Opus 4.5.
DevelopmentSamples
Web 2.0 strikes back
Using MCP to make your life easier.
DevelopmentSamples
Laptop stickers
Each laptop tells a story through its stickers.
DevelopmentResources
When square pixels aren’t square
Why a video’s stored resolution can fool web sizing.
DevelopmentOpinions
Thoughts on native CSS mixins
What they might mean for front-end developers.
DevelopmentResources
CSS scroll-triggered animations are coming
Chrome’s next chapter for scroll-based animations.
DevelopmentTools
Safari 26.2
Another big release packed with 62 new features.
DevelopmentSamples
Accessible animations and movements
Handling animations for users preferring reduced motion.
DevelopmentSamples
Getting creative with “the measure”
“The measure can change how you design.”
DevelopmentTools
Backup Buddy
Turn your whole website into timeless Markdown.
DevelopmentResources
Input switch polyfill
A polyfill to turn checkboxes into modern switches.
DevelopmentTools
Tunnl.gg
Public URLs for your local web server via SSH.
DevelopmentSamples
Loading CSS (fast)
How Compression Dictionaries boost CSS delivery.
DevelopmentResources
Them’s the breaks
Breaking text is easy, doing it well is a choice.
DevelopmentResources
Upvote web features you need
Now on caniuse.com, web.dev, and webstatus.dev.
DevelopmentTrends
Cloudflare Radar 2025 Year in Review
Trends and patterns in internet usage over the year.
DevelopmentTools
Wider support for Core Web Vitals
Firefox and Safari now support LCP and INP metrics.
DevelopmentTrends
State of HTML 2025
Trends in the web development ecosystem.
DevelopmentResources
Don’t leave the screen reader hungry
What’s visible isn’t always what’s announced.
DevelopmentOpinions
Estimates, a necessary evil?
Why they are vital yet painful to produce.
DevelopmentTools
Introducing Gemini 3 Flash
“It’s made for developers building production applications.”
DevelopmentOpinions
HTML forms are badly designed
“A new wave of innovation is needed.”
DevelopmentTrends
The State of AI Coding 2025
A study on recent trends in AI software development.
DevelopmentSamples
State of AI vs. human code generation
”AI helps ship faster but produces 1.7× more bugs.”
DevelopmentOpinions
Semantics beyond the tag name
What it means to actually write semantic HTML.
DevelopmentSamples
Skewed analytics with Speculation Rules
Let third-party scripts trigger only on real visits.
DevelopmentSamples
Dialog view transitions
Smooth animations for native HTML dialogs.
DevelopmentResources
Introducing CSS ‘grid-lanes’
The future of masonry layouts on the web.
DevelopmentSamples
Useful patterns for building HTML tools
Techniques for making your own tools using AI.
DevelopmentResources
TailwindSQL
”Like TailwindCSS, but for SQL.”
DevelopmentFun
Timing “Hello, World!”
Benchmarking the classic across 20 languages.
DevelopmentResources
The many lives of the page title
Don’t forget its vital role in user journeys.
DevelopmentSamples
The HTML elements time forgot
What got left behind in the march of progress.
DevelopmentResources
Most parked domains are malicious
Over 90 percent now lead to harmful websites.
DevelopmentSamples
Optimizing for 75% is fine
”Optimizing for 90% is where it gets interesting.”
DevelopmentResources
New to the web platform (December 2025)
The latest browser features at a glance.
DevelopmentOpinions
Logging sucks
“Your logs are still acting like it’s 2005.”
DevelopmentResources
For the love of HTML ‘details’
“An untapped treasure trove of interactivity.”
DevelopmentSamples
The URL params performance penalty
How a new HTTP header could bypass a cache killer.
DevelopmentSamples
Padding for text decorations
How CSS ‘text-decoration-inset’ polishes underlines.
DevelopmentFun
ssh tiny.christmas
Where you can carol with others.
DevelopmentSamples
Building my faux lego advent calendar
“It feels like current software development.”
DevelopmentFun
Drawing Truchet tiles in SVG
“These pictures put me in mind of an alien language.”
DevelopmentSamples
Lazy-loading optional fonts
Smooth font upgrades with progressive enhancement.
DevelopmentResources
TTFB isn’t what you think
The fallacies behind a popular web performance metric.
DevelopmentOpinions
30 years of ‘br’ tags
“It’s a fantastic time to be building for the web.”
DevelopmentFun
Building a website in 2003 and 2023
How’s your website coming along?
DevelopmentTools
HTML to PNG
Turn HTML into ready-to-use images or PDFs.
DevelopmentTools
Vibium
“Browser automation without the drama.”
DevelopmentTools
Locate
In-browser page search for developers.
DevelopmentResources
OWASP Top 10 (2025)
The most critical web application security risks.
DevelopmentSamples
My LLM coding workflow going into 2026
Staying in control while coding with AI.
DevelopmentOpinions
Web accessibility predictions 2026
“Several trends are already taking shape.”
DevelopmentOpinions
ES2026 solves JavaScript headaches
“It could be a bumper year for new features.”
DevelopmentTools
Hide a message in an emoji
Who thought an innocent emoji could smuggle data?
DevelopmentFun
firew0rks
Want a firework or fireplace in your terminal?
DevelopmentFun
Happy New Year!
Who said 2026 is only black and white?
DevelopmentFun
VoxCSS
A CSS voxel engine that renders HTML cuboids.
DevelopmentResources
Revisiting HTML streaming
Why it still matters for modern web performance.
DevelopmentSamples
CSS custom properties with !important
When you spot the declaration gets !important.
DevelopmentTools
Stack Overflow’s new era
Delivering trusted developer knowledge beyond AI slop.
DevelopmentSamples
Installing custom elements dynamically
A reusable pattern for on-the-fly custom element loading.
DevelopmentSamples
Two kinds of vibe coding
What if we go beyond understanding the details?
DevelopmentTools
Witr
A CLI tool that explains why a process is running.
DevelopmentSamples
World clock slider
A sleek time zone converter for the web.
DevelopmentResources
Library of Time
The countless ways cultures display time.
DevelopmentResources
Diffs
An open source diff and code rendering library.