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.
Video news
A new meta tag for respecting text scaling on mobile
How the proposed textscale meta tag honors OS text size settings on mobile.
Accessible building blocks for web
Short videos on headings, images, links, buttons, and forms, with practical accessibility tips.
HTML
popoverattribute in practiceCovers implicit anchors, auto vs manual vs hint modes, and JS control for accessible popovers.
Nineteen talks from the CascadiaJS 2025 conference
Playlist offers 19 sessions on AI, JS origins, frameworks, CSS, monetization and more.
Inclusive Design 24
Free 24-hour accessibility conference with talks on design, testing, legislation, and more.
Complete Svelte 5 course
Three-hour Joy of Code course on Svelte 5: basics, reactivity, state, and animations.