Browser – dns-prefetch , prefetch, prerender

The latest browsers support the following new attributes in <link> tag.

  1. dns-prefetch
  2. prefetch
  3. prerender

If we can predict (know to which next page the user is moving to) destination URL, we can prefetch/prerender the page in browser memory. This gives an improvement to perceived webppage  performance

A nice article from Stevesourders on the same : http://www.stevesouders.com/blog/2013/11/07/prebrowsing/

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