Should you DNS-Prefetch all 3rd Party Domains?
What the heck is DNS-Prefetching anyways? DNS-Prefetching is how you resolve Domain Names before the resources are requested. Resolving domain names here means resolving a website’s IP address. What happens if you don’t do this? If you don’t leverage DNS-Prefetching then that can add several extra seconds for the resource to load & that can … Read more