Sharing & cross-promotion
- Every school, course, and lesson page has a Share button (native share on mobile; Copy / X / LinkedIn / Facebook / Email otherwise). Shared links show a page-relevant preview image.
- Related WitUS tools, in Course settings, curate up to 3 sibling apps to show as a small labeled card on the course page (WitUS-branded sites only).
- Link usage, the course page shows how often outbound links get clicked (counts only).