Original Tweeter here. If you want to read more about page weight here are some articles I've written on the subject:

If anyone wants to check the math here are the data points (taken from http://httparchive.org):

https://docs.google.com/spreadsheets/d/1ag3KlStPARROp03IWZN1...

If you're interested in the problem of page weight you can read more here:

https://mobiforge.com/research-analysis/understanding-web-pa...

https://mobiforge.com/design-development/measuring-page-weig...