The end of responsive images
How sizes="auto" with loading="lazy" lets browsers handle most responsive images.
HTML news — Page 2
Fully local code embeds
A web component for isolated code sandboxes without third-party embeds.
Progressive web components
An HTML-and-CSS-first library for building web components that hydrate with JS.
Getting your article shared: tips from ten years of newsletter curation
Practical advice on OG tags, sharing images, titles, blurbs, and canonical URLs.
Squarespace and web standards: how we helped bring HTML video and audio lazy loading to today’s browsers
How Squarespace engineers contributed lazy loading for video and audio to the web platform.
Form-associated custom elements in practice
Retrofitting AgnosticUI with ElementInternals and form validation.
Abusing customizable selects
Three creative CSS demos with folders, cards, and emojis.
You don’t know HTML tables
Advanced deep-dive into table vocabulary, semantics, and the Table Object Model.
A new meta tag for respecting text scaling on mobile
How the proposed textscale meta tag honors OS text size settings on mobile.
Practical guide to the
<img>element: from basics to LCPImage markup tweaks that boost Core Web Vitals.
Accessible building blocks for web
Short videos on headings, images, links, buttons, and forms, with practical accessibility tips.
Declarative Dialog menu with invoker commands
Hamburger menu built with
<dialog>, minimal JS fallback, and smooth transitions.