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An architectural paradigm that prioritizes local availability and usability when network connectivity is absent and defers synchronization with servers until connectivity is available.
Offline-first design prioritizes local availability and user interactions when network connectivity is absent. Systems persist and apply changes locally and synchronize with servers later, including conflict resolution and incremental replication. Implementation requires synchronization logic, conflict handling strategies and local persistence to ensure reliability.
Time between local update and successful synchronization with server.
Share of synchronizations with conflicts requiring manual intervention.
Average number of local transactions without connectivity per user session.
App stores notes locally and syncs them with backend when connection is available.
Combination enables local browser storage and bidirectional synchronization with a server.
Service worker provides offline caching of assets and API fallbacks.
Analyze domain data and identify synchronization-critical entities.
Select and implement a local persistence layer.
Design a synchronization protocol with conflict strategy and backoff mechanisms.
Test offline workflows, conflict cases and recovery scenarios.