Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the Training WebSocket Initiation - Master Real-Time Web in 5 Days training are: Basic knowledge of JavaScript, HTML5, HTTP, and networking concepts.. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the Training WebSocket Initiation - Master Real-Time Web in 5 Days training is available in in-person. The format can be adapted to your needs (inter, intra, custom).

Training WebSocket Initiation - Master Real-Time... | Learni

The story of Learni

Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.

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Methods, approaches, and teaching resources

The Training WebSocket Initiation - Master Real-Time Web in 5 Days training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.

The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.

Teaching resources provided

To ensure the quality of the Training WebSocket Initiation - Master Real-Time Web in 5 Days training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and teaching resources

For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the Training WebSocket Initiation - Master Real-Time Web in 5 Days training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.

Training objectives

Understand the principles of WebSockets and their differences from HTTP

Install and configure a WebSocket development environment

Develop a WebSocket client in pure JavaScript

Implement a WebSocket server with Node.js and Socket.io

Manage events, messages, and reconnections

Integrate WebSocket into a complete web application

Debug and optimize real-time connections

Training program

Module 1WebSocket Fundamentals: Principles and Installation (Node.js tools, editors)

Dive into the basics of WebSockets, differentiate them from HTTP polling, install Node.js, npm, and VS Code, perform your first client-server handshake through interactive exercises, analyze network frames with DevTools, create a simple echo to validate your skills, and experience the magic of real-time from day one.

Module 2WebSocket Client: JavaScript Implementation (Native API, Events)

Master the native WebSocket API in JavaScript, code a client connected to a test server, manage open, message, close, and error events, integrate send/receive buttons into an HTML page, test with concrete cases like a live counter, export your functional client, and gain application fluidity.

Module 3WebSocket Server: Node.js and Socket.io (Connection Management)

Build a robust server with Node.js and Express, add Socket.io for simplicity, manage rooms and namespaces, implement broadcast and targeted messages through basic chat exercises, simulate 50 simultaneous connections, debug with advanced logs, deploy locally, and thrill with live multi-user interactions.

Module 4Advanced Management: Authentication, Reconnection (JWT, Heartbeats)

Secure your WebSockets with JWT for authentication, implement heartbeats to detect disconnections, code resilient automatic reconnection, handle errors and structured JSON payloads, apply to a live dashboard with updating charts, test under load with tools like Artillery, and refine your skills for reliable apps.

Module 5Final Project and Integration: Complete Real-Time Application

Synthesize everything in a capstone project like a collaborative chat or live notifier, integrate WebSocket with React or Vanilla JS, deploy on free Heroku, optimize performance and security, present your deliverable to the group, receive expert feedback, and leave with a concrete portfolio and confidence to boost your innovative web projects.