Prefetching / prerendering (internal) links

Prefetching: allows developers to specify pages or assets they want to silently preload once the page load, like loading the first search results

Prerendering: the browser will fetch and render the entire next page on the background and show it only when the user click on the link

Since "prefetch" is Firefox-only and "prerender" only works on Chrome, you can use this handy shorthand to cover both cases: <link href="..." rel="prefetch prerender">

source : http://daker.me/2013/05/5-html5-features-you-need-to-know.html