My friend @luis_in_brief has written a couple of good articles about Wikipedia's collapsing web traffic:
https://lu.is/2026/04/wikipedia-decline-by-topic/
https://lu.is/2026/04/wikipedia-career-cliff/
I especially appreciate this article about how Wikipedia's "flat" traffic growth over the last decade masks a precipitous decline in relative Web traffic:
https://meta.wikimedia.org/wiki/User:Schiste/what-now
My former colleague Marshall Miller at WMF wrote about a vertiginous 8% quarterly drop in Wikipedia page views at the end of 2025:
https://diff.wikimedia.org/2025/10/17/new-user-trends-on-wikipedia/