Google’s experimental new “slow” label could revolutionize how we tackle web performance - Web Performance Today
It looks like Google is going to start explicitly labelling slow sites as such in their search results (much like they recently started explicitly labelling mobile-friendly sites). So far it’s limited to Google’s own properties but it could be expanded.
Personally, I think this is a fair move. If the speed of a site were used to rank sites differently, I think that might be going too far. But giving the user advanced knowledge and leaving the final decision up to them …that feels good.