Fully local code embeds
A web component for isolated code sandboxes without third-party embeds.
HTML news
-
-
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.
-
Declarative Dialog menu with invoker commands
Hamburger menu built with
<dialog>, minimal JS fallback, and smooth transitions. -
A polyfill for the HTML switch element
Near-native switch UI for checkboxes outside Safari.
-
Try text scaling support in Chrome Canary
New meta element brings OS text scaling to mobile.
-
Introducing the
<geolocation>HTML elementDeclarative location requests land in Chrome 144, cutting boilerplate and improving recovery.