July 2018 Google Speed Update : Page speed will be a ranking factor for mobile searches.
The “Speed Update,” is a new pattern of search results for mobile users. It will rank fast loading webpages as compared to slow loading pages. Whatever be the technology used to build the page. The intent of the search query is still a very strong signal, so a slow page may still rank highly if it has great, relevant content.
Google amp is a great choice to make fast loading websites.