Tag

#realtime

2 pieces filed under “realtime”.

Engineering · 30 July 2026 · 12 min

WebSockets vs SSE: a realtime guide without religion

An honest guide to realtime transport: WebSockets vs SSE vs polite polling. Lifecycle, reconnection with backoff, presence, scaling and mobile battery realities.

websocketsserver-sent eventsrealtime

Engineering · 6 Nov 2025 · 11 min

Realtime collaboration tech: CRDT, OT, or a polite refresh

Choosing a collaboration stack honestly: OT versus CRDTs, Yjs in production, presence as a feature, and when a polite refresh beats a sync engine.

realtimecollaborationarchitecture