Optimizing Performance With Resource Hints
Smashing Magazine
APRIL 17, 2019
In this article we’ll take a look at the main types of Resource Hints and when and where we can use them in our pages. DNS Prefetching. A DNS lookup is the process of turning a human-friendly domain name like example.com into the machine-friendly IP address like 123.54.92.4 <link rel="dns-prefetch" href="[link].
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