<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.

Baseline Status: Achieved Newly Available on Sep 15, 2025 across core engines.

Desktop Browser Engine Support

Google Chrome

46

Supported

Mozilla Firefox

127

Supported

Apple Safari

5

Supported

Microsoft Edge

79

Supported

Mobile Browser Engine Support

Chrome Android

46

Firefox Android

127

Safari iOS

26

Specifications and References

Specification ↗ Can I Use (link-rel-dns-prefetch) ↗ Feature XML ↗

MDN Browser Compat Data Keys:

html.elements.link.rel.dns-prefetch ↗