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JavaScript Mastery via YouTube Free video

Real-Time WebSockets Course | Build a Live Sports Dashboard with Node.js & PostgreSQL

Overview

The JSM Agentic Engineering Course is FINALLY LIVE! 🔥

🔔 20% off launch discount ends September 29th.

Invest in your engineering future 🚀 https://jsm.dev/ai

Master WebSockets in this crash course, moving from core theory to building a high-frequency "Broadcast Engine." Learn how to ingest data from admin sources or APIs to deliver live match scores, commentary, and ball-by-ball updates to 100,000+ simultaneous users with sub-second latency. This project covers everything from the initial handshake to deployment, demonstrating how to architect a system that broadcasts real-time data to millions of clients without crashing the server.

Hostinger: https://jsm.dev/sportz-hostinger + Use code JAVASCRIPTMASTERY

Site24x7: https://jsm.dev/sportz-site24x7

ManageEngine: https://jsm.dev/sportz-manage-engine

Arcjet: https://jsm.dev/sportz-arcjet

CodeRabbit: https://jsm.dev/sportz-coderabbit

Junie AI: https://jsm.dev/sportz-junie

WebStorm: https://jsm.dev/sportz-webstorm

🧠 Wanna build like I do? Join my Agentic Course → https://jsm.dev/sportz-ai

🎁 Video Kit (Code, Assets, Prompts): https://jsm.dev/sportz-kit

📋 Join the Backend Course Waitlist: https://jsm.dev/sportz-backend

⭐ More JSM Pro Courses: https://jsm.dev/sportz-jsm

➤ Links not working? Some regions may need a VPN.

https://discord.com/invite/n6EdbFJ https://twitter.com/jsmasterypro https://instagram.com/javascriptmastery https://linkedin.com/company/javascriptmastery

Business Inquiries: contact@jsmastery.pro

Timestamps:

00:00:00 — Introduction

— Course

00:04:59 — The Real Time Shift

00:08:31 — Architecture

00:14:29 — Websocket in Action

00:19:58 — Websocket in Action (Demo)

00:50:06 — Socket Patterns

00:57:12 — Beyond The Socket

01:03:07 — Course Outro

— Build

01:07:13 — Project Demo

01:10:08 — Hostinger

01:13:12 — Project Setup

01:21:33 — Database Schema

01:39:04 — Matches Rest API

02:04:38 — WebSocket Server

02:25:33 — Security with Arcjet

02:46:42 — Commentary Rest API

02:57:29 — Broadcast Commentary

03:20:41 — Site 24x7 APM

03:25:01 — Deployment, Seeding & Insights

Chapters 19

  1. 00:00:00Introduction
  2. 00:04:59The Real Time Shift
  3. 00:08:31Architecture
  4. 00:14:29Websocket in Action
  5. 00:19:58Websocket in Action (Demo)
  6. 00:50:06Socket Patterns
  7. 00:57:12Beyond The Socket
  8. 01:03:07Course Outro
  9. 01:07:13Project Demo
  10. 01:10:08Hostinger
  11. 01:13:12Project Setup
  12. 01:21:33Database Schema
  13. 01:39:04Matches Rest API
  14. 02:04:38WebSocket Server
  15. 02:25:33Security with Arcjet
  16. 02:46:42Commentary Rest API
  17. 02:57:29Broadcast Commentary
  18. 03:20:41Site 24x7 APM
  19. 03:25:01Deployment, Seeding & Insights

Advantages and disadvantages

Advantages

  • Free, one long video that covers a topic end to end.
  • Use the chapters to jump to what you need.
  • 483,404 views, so help and notes are easy to find.
  • Completely free.
  • Self-paced: start any time.
  • A clear syllabus (19 parts) you can see before you start.
  • Hands-on: you build or practise, not just watch.
  • Start watching right away, no sign-up.

Disadvantages

  • No exercises or certificate: code along to make it stick.
  • No certificate.
  • No graded assignments or feedback.

Some points apply to every course of this kind; see how we rank.

Free

  • Free: Watch on YouTube, no account needed.
  • Certificate: None. Code or take notes along to make it stick.

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