Resource Hints: dns-prefetch
Resource Hints: dns-prefetch
Gives a hint to the browser to perform a DNS lookup in the background to improve performance. This is indicated using <link rel="dns-prefetch" href="http://example-domain.com/">
| Spec | http://www.w3.org/TR/resource-hints/#dns-prefetch |
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| Status | W3C Working Draft |
| IE | Edge | Firefox | Chrome | Safari | Opera |
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