In preparation for a new RfC on enwiki regarding new guidelines for the Portal system, we would like to gain additional insight into how much the current portal system is currently used. We can get easy stuff like view count already, but that does not take into account other more detailed aspects. Such as:
* How many people clicked on a portal link from an article, or a category?
* Which articles, and which categories generated the highest traffic?
* How many people followed through to another article from the portal, or just closed the tab?
* Which articles and portals had the highest engagement? (useful for replicating their success)
* How many people even scroll to the bottom of the article and even had the opportunity to notice the portal link?
* About what article size tends to result in zero portal link visibility?
I'm not sure how detailed the analytics are the WMF is currently collecting, so some of this may not be plausible at this time. I'm basing this off of the various studies I've seen run, like the recent citation usage study [[m:Research:Characterizing Wikipedia Citation Usage]]. Granted, that is a more involved example, and I'm not asking you to make schema changes to facilitate this or anything.