<link rel="dns-prefetch">
The rel="dns-prefetch" attribute for the <link> HTML element is a hint to the browser that the page or user is likely to request resources from another domain, so the browser should preemptively resolve DNS for the href value's domain.
Status
Baseline Newly Available (since 2025-09-15)
This feature is expected to reach Baseline Widely Available status on: 2028-03-15
MDN documentation
Specifications
- HTML (#link-type-dns-prefetch), from HTML Workstream (WHATWG).
Browser support (view on caniuse.com)
- Chrome 46 Released on 2015-10-13
- Chrome Android 46 Released on 2015-10-14
- Edge 79 Released on 2020-01-15
- Firefox 127 Released on 2024-06-11
- Firefox for Android 127 Released on 2024-06-11
- Safari 5 Released on 2010-06-07
- Safari on iOS 26 Released on 2025-09-15
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