Real-time data is everywhere in 2025 — whether you're building stock dashboards, multiplayer games, or live chat apps. But should you use WebSockets, SSE, or Long Polling? This post breaks them down with real-world examples, pros & cons, and beginner-friendly code snippets.

Real-time data is everywhere in 2025 — whether you're building stock dashboards, multiplayer games, or live chat apps. But should you use WebSockets, SSE, or Long Polling?
This post breaks them down with real-world examples, pros & cons, and beginner-friendly code snippets.