To be precise, it is not explicitly boosted in the rankings. One factor that Google Search takes into account is page load time. https://webmasters.googleblog.

To be precise, it is not explicitly boosted in the rankings. One factor that Google Search takes into account is page load time. https://webmasters.googleblog.com/2010/04/using-site-speed-in-web-search-ranking.html https://webmasters.googleblog.com/2010/04/using-site-speed-i... There was a vicious spiral at work related to advertisers not caring enough about page load, and adding that signal was not enough. AMP shifted the game by placing the burden on Google of specifying a way to hit advertisers' goals while offering a faster experience.