Hi there,
I posed some basic funnel analysis and Referer analysis for the Related Articles / Read More functionality:
https://www.mediawiki.org/wiki/Reading/Web/Projects/Related_pages#Metrics_an...
Short version: it seems to have relatively higher engagement on the mobile web beta channel, but relatively lower engagement on the desktop web beta feature.
Analysis and discussion on the feature is ongoing, but I wanted to share out this data anyway.
-Adam