InfraUnicode and Encoding| html.spec.whatwg.org
Now is the time to begin experimenting with a long requested layout tool.| OddBird
content-visibility is a new property defined in the draft CSS Containment Module Level 2 specification. It has been implemented in Chrome 85, you can read about its glory in content-visibility: the new CSS property that boosts your rendering performance| HTML Accessibility
HTML| html.spec.whatwg.org
HTML| html.spec.whatwg.org