Showing posts with label DNS prefetching in HTML. Show all posts
Showing posts with label DNS prefetching in HTML. Show all posts
April 30, 2012
Why and How To implement DNS Prefetching
This technique lets webmasters speed up loading time of a web page by asking web browsers to automatically execute DNS lookups on others hosts that you will later on link to.
Suppose I have to link to some images on further sections of this webpage then I'd implement DNS prefetching on the domain that hosts those images.
Example:
This technique alone can decrease page/resource loading time by 20 to 120 milliseconds and can come in very handy when you're working with a high traffic website.
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Suppose I have to link to some images on further sections of this webpage then I'd implement DNS prefetching on the domain that hosts those images.
Example:
<link href="http://i.technoslab.com" rel="dns-prefetch"></link>
This technique alone can decrease page/resource loading time by 20 to 120 milliseconds and can come in very handy when you're working with a high traffic website.
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