When we search for things on mobile devices, we want the search to be complete as fast as possible. Google has announced that it has improved the speed of its mobile search, but you may not notice the increase. Google says mobile search is now 100-150 milliseconds faster.

Google’s Ilya Grigorik says that Google now offers hints to the web browser as it begins to retrieve the destination page indicating what other critical resources it should fetch in parallel. By fetching those resources in parallel, search is sped up. Google calls the new feature “reactive prefetch”.

Once the user clicks what they want and tells Google where they are headed, the browser is told what other resources to fetch. Google had some big tasks to complete in order to speed the mobile search up. It had to know what critical resources might delay the rendering of a destination page for every page on the internet.

Google also had to develop a browser API that is used to invoke the prefetch logic when the click occurs. For now, the reactive prefetch is only offered to users of Google Chrome on Android devices. Google plans to add the features to other browsers in the future.

SOURCE: Google Plus

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