Standard ARAM (450) and ARAM Mayhem (2400) are both requested. Riot's public API doesn't currently return Mayhem data (it responds 403), so Mayhem games are skipped for now — picked up automatically if Riot opens access.
Live sharing: with the Worker + KV set up, hitting Update saves records to the server. Anyone who opens the site sees the latest — no files to send. Only you need the key and write token.
Saved
Record holders most records — damage dealt + damage taken