Web Standards

November 5
Safari introduces adaptive dark mode
Safari 27.3 beta darkens light websites, unless they support dark mode or opt out.
November 4
What’s new in Chrome 157
HTML-in-canvas, corner shorthand, custom text-overflow strings, and HTML streaming methods.
November 3
Useful @custom-media presets
Named media queries for input types, breakpoints, and HDR, with fallbacks for today’s browsers.
November 2
Cursors for base appearance
The pointer cursor wins for clickable controls, with grab for sliders and not-allowed for disabled ones.
October 30
The AI cost of JavaScript frameworks
Agents built one app in 12 stacks to compare API cost, build time, code size, and performance.
October 29
Embracing playful imperfection with the CSS random() function
Native random values with steps and shared keys tilt letters, wobble cards, and vary animations.
October 28
WebKit features for Safari 27.1 and 27.2
iPhone Duo APIs behind flags, ::field-content for <select>, fit-tolerance, and 20 bug fixes.

November 2
Cursors for base appearance
The pointer cursor wins for clickable controls, with grab for sliders and not-allowed for disabled ones.
October 15
Iframes that finally fit their content
A Chromium CSS property and a <meta> opt-in replace postMessage height scripts.
October 13
Rendering Markdown comments safely: setHTML(), DOMPurify, and Trusted Types
One explicit allowlist for every place comments render, with native and library sanitizers.
September 22
Responsive iframes in Chrome 154
An embedded frame grows with its content, no postMessage height plumbing.
September 9
You don’t need initial-scale in your HTML
Two authors landed on the same viewport <meta> element finding hours apart.
September 4
Fine, I’ll build my own text editor!
Comparing <canvas>, contenteditable, and <textarea> for building an editor in the browser.
August 24
A look at the <geolocation> HTML element and how it works
Chrome 144 ships a permission-friendly element with autolocate, watch, and a :granted pseudo-class.

November 5
Safari introduces adaptive dark mode
Safari 27.3 beta darkens light websites, unless they support dark mode or opt out.
November 3
Useful @custom-media presets
Named media queries for input types, breakpoints, and HDR, with fallbacks for today’s browsers.
November 2
Cursors for base appearance
The pointer cursor wins for clickable controls, with grab for sliders and not-allowed for disabled ones.
October 29
Embracing playful imperfection with the CSS random() function
Native random values with steps and shared keys tilt letters, wobble cards, and vary animations.
October 23
What the iPhone Duo means for web development (and Video.js)
Device Posture and Viewport Segments APIs in Safari, plus a foldable Netflix-style video player.
October 16
Fit height to background pattern size with calc-size()
Rounding a section’s auto height to the tile size so a repeating pattern never gets cut off.
October 15
Iframes that finally fit their content
A Chromium CSS property and a <meta> opt-in replace postMessage height scripts.

October 30
The AI cost of JavaScript frameworks
Agents built one app in 12 stacks to compare API cost, build time, code size, and performance.
October 13
Rendering Markdown comments safely: setHTML(), DOMPurify, and Trusted Types
One explicit allowlist for every place comments render, with native and library sanitizers.
October 7
A flame needs three sine waves
From pencil sketches to a canvas match that strikes, burns, and flickers like a real one.
October 2
The JavaScript midlife crisis
Rewriting tools in Rust, Go, and Zig makes them faster, but fewer developers can maintain them.
September 17
Modern web types
A drop-in replacement for TypeScript’s DOM types with a single-engine threshold.
September 14
The browser’s main thread is expensive
Splitting, batching, and offloading work to keep every frame under 10 milliseconds.
September 4
Fine, I’ll build my own text editor!
Comparing <canvas>, contenteditable, and <textarea> for building an editor in the browser.

October 26
Introducing the accessible components library
Eight open-source components with docs and automated tests mapped to WCAG 2.2 criteria.
October 22
Building a filterable menu that works for everyone
Why Base UI made it a dialog with a search field, not a combobox, and how keys share the input.
July 24
Building an accessible modal dialog on the native <dialog>
How showModal() handles focus, Escape, and animation so you don’t have to.
July 1
A11y.quest: 128 questions to level up your accessibility game
An interactive quiz to test and sharpen your web accessibility knowledge.
June 30
Modern CSS theming with light-dark(), contrast-color(), and style queries
Accessible, composable color themes that adapt elevation to light and dark modes.
June 29
Your grid lanes will likely fail WCAG 2.4.3
How balanced column heights break keyboard focus order, and how to fix it.
June 23
Improving card patterns with anchor positioning
A pseudo-element covers the card surface but stops short of the secondary actions.

November 4
What’s new in Chrome 157
HTML-in-canvas, corner shorthand, custom text-overflow strings, and HTML streaming methods.
October 28
WebKit features for Safari 27.1 and 27.2
iPhone Duo APIs behind flags, ::field-content for <select>, fit-tolerance, and 20 bug fixes.
October 27
Firefox 159 release notes for developers
Scroll-driven animations by default, scoped custom element registries, and legacy masonry removed.
October 21
What’s new in Chrome 156
CSS random(), :navigation-source, paired scroll snapping, and retryable module imports.
October 20
Why WebMCP matters
Site-registered JS tools make co-browsing AI agents faster and cheaper, with users in control.
October 14
Firefox 158 release notes for developers
JPEG XL by default, CSS typed arithmetic, and a navigate option for notifications.
October 9
2027 web platform feature ranking
Rank the Interop 2027 proposals you care about to help Firefox pick what to push for.