Web Standards

March 3

Define the theme color for Safari 26

How Safari 26 determines browser chrome color and a CSS workaround.

March 2

Native random values in CSS

New random() and random-item() CSS functions from the Values and Units Level 5.

February 27

Making WebAssembly a first-class language on the web

Component model could remove JS glue, simplify loading, and speed up web API access.

February 26

Practical guide to the <img> element: from basics to LCP

Image markup tweaks that boost Core Web Vitals.

February 25

Firefox 148 release notes for developers

HTML sanitizer, Trusted Types, CSS shape(), and more.

February 24

Sprites on the web

A practical guide to CSS spritesheets, steps(), and real-world trade-offs.

February 23

An in-depth guide to customising lists with CSS

Markers, counters, and @counter-style tips for better bullets and numbering.

February 26

Practical guide to the <img> element: from basics to LCP

Image markup tweaks that boost Core Web Vitals.

February 18

Declarative Dialog menu with invoker commands

Hamburger menu built with <dialog>, minimal JS fallback, and smooth transitions.

February 9

A polyfill for the HTML switch element

Near-native switch UI for checkboxes outside Safari.

January 29

Try text scaling support in Chrome Canary

New meta element brings OS text scaling to mobile.

January 22

Introducing the <geolocation> HTML element

Declarative location requests land in Chrome 144, cutting boilerplate and improving recovery.

December 25, 2025

Getting a close button to hang off of a dialog

Simpler dialogs with anchor-positioned close buttons.

December 19, 2025

IDREFs: what they are and how to use them

How to build explicit HTML and ARIA relationships for accessibility.

March 3

Define the theme color for Safari 26

How Safari 26 determines browser chrome color and a CSS workaround.

March 2

Native random values in CSS

New random() and random-item() CSS functions from the Values and Units Level 5.

February 24

Sprites on the web

A practical guide to CSS spritesheets, steps(), and real-world trade-offs.

February 23

An in-depth guide to customising lists with CSS

Markers, counters, and @counter-style tips for better bullets and numbering.

February 20

Border-shape: the future of the non-rectangular web

New property makes borders, shadows, and outlines follow custom geometry.

February 18

Declarative Dialog menu with invoker commands

Hamburger menu built with <dialog>, minimal JS fallback, and smooth transitions.

February 5

CSS grid lanes are arriving sooner than you think

Use progressive enhancement to ship masonry-style layouts now with JS polyfill or a CSS grid layout fallback.

February 27

Making WebAssembly a first-class language on the web

Component model could remove JS glue, simplify loading, and speed up web API access.

February 16

State of React 2025 results are live

React 19, CRA deprecation, CVEs and RSC debates, and AI tooling shaping the ecosystem.

February 6

Explicit resource management in JavaScript

New “using” syntax makes cleanup automatic, reducing leaks and boilerplate.

February 3

Results of the State of JavaScript 2025 survey

TypeScript goes native, Vite overtakes Webpack, and AI-assisted coding keeps climbing.

February 2

How to dynamically install custom elements

Auto-import only the elements you actually use, and keep upgrades working after DOM changes.

January 27

Stop turning everything into arrays

Lazy iterator helpers cut allocations and stop work early in UI data pipelines.

January 21

Bundle size investigation. A step-by-step guide to shrinking your JavaScript

A checklist for hunting megabytes, and shipping less JS.

February 19

Accessible building blocks for web

Short videos on headings, images, links, buttons, and forms, with practical accessibility tips.

February 10

Reference Target: having your encapsulation and eating it too

New proposal lets shadow DOM internals be referenced via the host without breaking encapsulation.

January 30

Five accessibility checks to run on every component

Essential component tests for keyboard, tokens, names, zoom, and screen readers.

January 29

Try text scaling support in Chrome Canary

New meta element brings OS text scaling to mobile.

December 19, 2025

IDREFs: what they are and how to use them

How to build explicit HTML and ARIA relationships for accessibility.

December 8, 2025

APCA + WCAG 2 contrast checker

New open-source contrast checker unites APCA and WCAG 2.

December 2, 2025

Top layer troubles: popover vs dialog

Why toast popovers can float above dialogs yet stay unreachable, and how to fix the top-layer trap.

February 25

Firefox 148 release notes for developers

HTML sanitizer, Trusted Types, CSS shape(), and more.

February 17

What’s new in Chrome 145

New CSS typography properties, an Origin object, and shorter UA string by default.

February 13

Interop 2026 names 20 browser focus areas

Cross-browser priorities and tests set for 2026’s biggest developer pain points.

February 12

WebKit features for Safari 26.3

Zstd compression and Navigation API abort signals, plus fixes and improvements.

January 15

What’s new in Chrome 144

Find results styling, declarative geolocation permission, and Temporal arrive in stable.

January 14

Firefox 147 release notes for developers

CSS anchor positioning, Navigation API, WebGPU on Apple Silicon, and DevTools improvements.

December 15, 2025

WebKit Features for Safari 26.2

Sixty two new features, CSS, HTML, and APIs improvements and many bug fixes.