The Psychology of Speed - Simon Hearne

We intuitively know that faster is better, but what's the psychology and physiology behind it?
Let's look at how the brain works and why slow websites are so irritating! Then we'll review some of the latest performance metrics (like core web vitals) which aim to measure user experience, and how they relate to business metrics like conversion, bounce and session length.
Is there a golden metric we should all be tracking?
Maybe...