Feedback moved here from mastodon, per request of @firstname.lastname@example.org. Referring to en.wiki where I'm a decades-old editor.
(a) The page is random for long-time users, is it only looking at recent edits for efficiency? Where is this documented?
(b) There is no talk page and there should be, even if it's just a cross-wiki redirect to this project.
(c) The "Get shortened URL" link is misleading, since it takes the resulting link takes the dereferencer to their impact, not the minter's impact page.
(d) The page appears to be set up to compare 60 day edits with 60 day views as the two main visuals, but (i) these are over very different domains (all namespaces vs article namespace) and not really comparable, (ii) the time-series graphs slightly offset making direct comparison impossible (iii) far better use of space with be bars and lines on a single graph with a consistent timeline and (iv) you end up with situations like my current Impact, where it looks like I don't even view the pages I edit (see screenshots).
(e) It would be great to see my impact against average impact of those in my editor-cohort (i.e. other accounts of a similar age / longevity).