In today's fast-paced digital world, users expect real-time interactions and updates within web applications. Whether it's a chat application, collaborative editing tool, or live data visualization, the ability to instantly communicate between frontend and backend is crucial for delivering a seamless user experience. Fortunately, with advancements in web technologies, achieving real-time communication has become more accessible than ever.

 

In this blog post, we'll explore different approaches to enable real-time communication between the frontend and backend of a web application, along with examples illustrating each method.

Traditional Approach: Polling

Polling involves the frontend making periodic requests to the backend to check for updates. While simple to implement, it's not efficient as it can lead to unnecessary network traffic and delays in receiving updates.

Example: