How can websites and apps be made by using minimal energy?
Make browser user able to install libraries, like on operating system, and reduce the amount of data that we have to download for each app loading.
Plain English step-by-step guide on how to make a low-tech website that teaches non-techies responsible web skills
For this to be feasible there needs to be some way of automatically measuring the energy impact of a website.
So you'd have to instrument a browser to see how much resources the website uses.
You could measure network bandwidth transmitted and CPU usage by the website.
Thanks http://gauthierroussilhe.com/en for inspiring this problem question at IAM Weekend 2020 happening online: https://www.iam-internet.com/weekend