New user-centric quality metrics from Google

For information

Google have announced 3 new quality metrics that indicate user experience.

https://blog.chromium.org/2020/05/introducing-web-vitals-essential-metrics.html

Of these Cumulative Layout Shift (CLS) measure how much the layout 
moves/changes on initial display.

https://web.dev/cls/

This appears on first sight to be particularly relevant to coga and some 
of the design patterns. The others will also impact user stress and 
frustration to some extent.

Steve