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Real-Time Apps with Flask-SocketIO: A Beginner’s Guide

Bring Your Web Apps to Life with Instant Updates

Max N
3 min readMar 10, 2024

When it comes to building web applications, real-time functionality is becoming increasingly important. From chat applications to live-updating dashboards, users expect a seamless and responsive experience. Flask-SocketIO, a popular Python library, makes it easy to add real-time capabilities to your Flask applications.

In this article, we’ll explore the basics of Flask-SocketIO, setting up a simple real-time application, and understanding the core concepts behind it.

What is Flask-SocketIO?

Flask-SocketIO is a Python library that integrates the SocketIO protocol into Flask applications. The SocketIO protocol enables real-time, bidirectional communication between a client and a server over a single, long-lived connection.

This means that the server can push data to the client, and the client can send data to the server without the need for constant polling or refreshing.

Flask-SocketIO provides a simple and intuitive API for implementing real-time features in your Flask applications, making it a popular choice among developers.

Setting Up Flask-SocketIO

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Max N
Max N

Written by Max N

A writer that writes about JavaScript and Python to beginners. If you find my articles helpful, feel free to follow.

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