In today's interconnected world, real-time communication between clients and servers is pivotal for delivering dynamic and responsive web applications. Whether it's live chat applications, stock tickers, or real-time notifications, choosing the right communication strategy is essential. This lesson will look into four prominent techniques: Polling, Long-Polling, WebSockets, and Webhooks.

1. Polling

Definition

Polling is a technique where the client repeatedly sends requests to the server at regular intervals to check for new data or updates.