The Case for Real-Time Viral Alerts When a video is going viral across European regions, every minute counts. At ViralVidVault , our cron pipeline detects virality spikes across Poland, Netherlands, Sweden, Norway, Austria, and the UK -- but without real-time push, users only see updates on their next page refresh. WebSockets fix that. Architecture Overview The data flows through three stages: Cron detects a virality spike and sends an HTTP POST to the WebSocket server WebSocket server broadcasts a viral alert to all connected browsers Clients render a real-time notification with video details The WebSocket Server import asyncio import json import websockets from datetime import datetime from typing import Set , Dict CONNECTIONS : Set [ websockets . WebSocketServerProtocol ] = set () REGION_SUBS : Dict [ str , Set [ websockets . WebSocketServerProtocol ]] = {} async def handler ( websocket : websockets . WebSocketServerProtocol ): """ Handle client connections with optional region subscription.…