
Declarative partial updates
New web platform APIs for inserting HTML out of order into specific document locations.
Web Standards
Daily web platform news

New web platform APIs for inserting HTML out of order into specific document locations.

Use dir="auto" for RTL input and logical CSS properties for fully localized interfaces.

Search features by keyword and see Baseline status, MDN docs, specs, browser bugs, and more.

Annual CSS survey now open, focused on the features that matter most.

Expert-vetted skills that guide AI coding agents to build modern web experiences.

@container style() queries, Document Picture-in-Picture, desktop Web Serial, and keyboardLock.

Annual developer survey shows AI-assisted coding has shifted from early-adopter to mainstream.

How Safari and Firefox quietly patch the web to keep big sites working.

Browser-native XSS-safe HTML insertion without DOMPurify or other libraries.

A look at the TC39 ShadowRealm proposal for isolating JavaScript in clean execution contexts.

The :open pseudo-class, element-scoped random(), Origin API, and 63 bug fixes.

Speed up, slow down, and reverse animations with animation-composition and CSS variables.