Context-aware headings in HTML
How headingoffset shifts heading levels in the accessibility tree without changing tags.
Web Components news
From React to native web with nanotags: a migration that saved 100 KB
How Evil Martians replaced React and Ark UI with Web Components and a 2.5 KB wrapper library.
Fully local code embeds
A web component for isolated code sandboxes without third-party embeds.
Introducing masonry-gridlanes-wc: a native-first masonry web component
A web component with native CSS masonry support and a JavaScript fallback.
Modern CSS feature support for shadow DOM
Tracking CSS feature parity across the shadow DOM boundary.
Progressive web components
An HTML-and-CSS-first library for building web components that hydrate with JS.
Under the hood of MDN’s new frontend
Web components, Lit, and server-side rendering replace the old React SPA.
Form-associated custom elements in practice
Retrofitting AgnosticUI with ElementInternals and form validation.
Reference Target: having your encapsulation and eating it too
New proposal lets shadow DOM internals be referenced via the host without breaking encapsulation.
How to dynamically install custom elements
Auto-import only the elements you actually use, and keep upgrades working after DOM changes.
Writing custom elements with lit-html
Light DOM components, plus signals-based state, without committing to full Lit.
A production-ready web component starter template
Skip boilerplate with scaffolded tests, CI, and secure npm publishing.