Wow, this website is cool and makes for a fun and very interesting (and telling) comparison between old reddit and the redesign:
https://webtest.app/?url=https://www.reddit.com
vs.
https://webtest.app/?url=https://old.reddit.com
An order of magnitude increase in page size and energy consumed, and it takes 5 times as long to load, with 5 times the ad requests.