A client-server applications are locked inside request - response cycle and due to that when connection drops there's no way that application can work. On the other hand if user is allowed changing data while offline, this creates a wide variety of corner cases related to concurrent and conflicting changes. Reflex is a software methodology that provides a simple to understand concept makes offline-first application development simple. Reflex is not only about offline first. This is the architecture that makes web applications more robust, resource friendly and fault-tolerant. Most of the web applications we develop today can be made offline-first.
