dns-prefetch keyword for the
rel attribute of the
<link> element is a hint to browsers that the user is likely to need resources from the target resource's origin, and therefore the browser can likely improve the user experience by preemptively performing DNS resolution for that origin.
See Using dns-prefetch for more details.
|HTML Living Standard |
The definition of 'dns-prefetch' in that specification.
© 2005–2020 Mozilla and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.