Real-Time Features: WebSockets vs SSE vs Polling | Clickmasters

One-directional streams over plain HTTP with automatic reconnection — notifications, live feeds, progress updates — most 'we need WebSockets' cases fit here.

Every approach needs resume logic — missed-event catch-up, ordered delivery, and client state reconciliation — because mobile networks guarantee the gap.

Skipping the discipline this article describes until an incident, audit, or stalled project forces it — every practice above is cheaper adopted early than retrofitted under pressure.