Google: Speed will be factor on mobile. Or notStaff Writer | January 19, 2018
Although speed has been used in Google ranking for some time, that signal was focused on desktop searches.
Technology Speed Update
"The 'Speed Update,' as we’re calling it, will only affect pages that deliver the slowest experience to users and will only affect a small percentage of queries.
"It applies the same standard to all pages, regardless of 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." ■