If you’re searching Google on Chrome for Android, you might (or might not) notice that you’re receiving search results a little faster than before– 100 to 150 milliseconds faster, to be exact. That’s because of a new feature called reactive prefetch that starts to roll out today. According to Google developer Ilya Grigorik, the few feature tells the mobile browser to download certain parts of a webpage before the user needs them. It’s “reactive” because it only starts fetching when the user clicks. Unfortunately, it’s only available for Chrome for Android for now because this feature requires the browser and the search engine to work closely in tandem.