WebSocket Integration
Real-time bidirectional communication using Socket.io for instant message delivery, typing indicators, and live user presence detection.
Room Management
Dynamic chat rooms with user join/leave events, room-specific messaging, and real-time user count updates across multiple channels.
Message Persistence
MongoDB integration for message history, user authentication, and chat room persistence with efficient data querying and storage.
Authentication & Security
JWT-based authentication, input sanitization, rate limiting, and secure WebSocket connections with CORS protection.
Responsive Design
Mobile-first responsive interface with touch-friendly controls, adaptive layouts, and optimized performance across all devices.
Analytics & Monitoring
Real-time server statistics, user activity tracking, message analytics, and performance monitoring with automated alerts.