Your ranking is based on the gifts you've sent to streamers.
The score for the support ranking is "Coins spent on coin gifts × 10".
Furthermore, the Viewer Rankings will be updated at the following times.
The rankings for "Today" are updated every day at 00:00 (JST).
The rankings for "This Week" are updated every Monday at 00:00 (JST).
The rankings for "This Month" are updated on the 1st of the month at 00:00 (JST).
You can check Viewer Rankings by tapping Viewer Rankings from any user profile.
Note: Accounts that are not linked to a social media account will not be calculated into the Viewer Ranking.