<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.resource-hintsResource hintsnewly2025-09-15https://html.spec.whatwg.org/multipage/links.html#link-type-dns-prefetchlink-rel-dns-prefetchhttps://developer.mozilla.org/docs/Web/HTML/Reference/Attributes/rel/dns-prefetchhtml.elements.link.rel.dns-prefetchhttps://nowyoucanuse.com/features--link-rel-dns-prefetch.html