<img sizes="auto" loading="lazy">
Limited availability
The sizes="auto" attribute for the <img> HTML element reserves layout space for an image before it loads, avoiding some layout shifts. This attribute only applies to images with the loading="lazy" attribute.
Learn more
Specifications
- HTML (#valdef-sizes-auto), from HTML Workstream (WHATWG).
Browser support
- Chrome 126 Released on 2024-06-11
- Chrome Android 126 Released on 2024-06-11
- Edge 126 Released on 2024-06-13
- Firefox ❌ See bugzil.la/1819581
- Firefox for Android ❌ See bugzil.la/1819581
- Safari ❌ See webkit.org/b/253143
- Safari on iOS ❌ See webkit.org/b/253143
View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist