Calibre (a performance monitoring tool) go through all the announcements related to performance that happened during the Chrome Development Summit. They cover off some of the items we have in our resources section this week and much more.
We already know that slow-performing sites are penalized by the search ranking algorithm. Still, Chrome is taking further steps to highlight that a given site might offer a suboptimal user experience. The notices will most likely take a form of new interface elements and warnings built into Chrome.An excerpt from Chrome Developer Summit 2019: performance announcements you have to know