Real-Time WebSockets Course | Build a Live Sports Dashboard with Node.js & PostgreSQL
About this course
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...
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 ๐ Agentic Engineering Course: https://jsm.dev/ai ๐ Video Kit (Code, Assets, Prompts): https://jsm.dev/sportz-kit ๐ Join the Backend Course Waitlist: https://jsm.dev/sportz-backend โค 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 โ Introduction โ Course 00:04:59 โ The Real Time Shift 00:08:31 โ Architecture 00:14:29 โ Websocket in Action 00:19:58 โ Websocket in Action (Demo) 00:50:06 โ Socket Patterns 00:57:12 โ Beyond The Socket 01:03:07 โ Course Outro โ Build 01:07:13 โ Project Demo 01:10:08 โ Hostinger 01:13:12 โ Project Setup 01:21:33 โ Database Schema 01:39:04 โ Matches Rest API 02:04:38 โ WebSocket Server 02:25:33 โ Security with Arcjet 02:46:42 โ Commentary Rest API 02:57:29 โ Broadcast Commentary 03:20:41 โ Site 24x7 APM 03:25:01 โ Deployment, Seeding & Insights
What learners say
AI summaryLearners widely praise this WebSockets course as a clear, in-depth, and genuinely useful resource, with many noting it fills a gap for practical WebSocket content without relying on paid third-party libraries. A few mention the depth and behind-the-scenes explanations as especially valuable, though substantive criticism is largely absent from the sample.
What learners praise
- Clear, easy-to-follow teaching
- In-depth conceptual explanations of how WebSockets work
- Practical, project-based approach
- No paid third-party libraries required
Common caveats
- Little to no substantive criticism appears in the sample
- Some comments are requests for follow-up topics rather than feedback on this course
AI-generated from 100 viewer comments on YouTube โ it summarizes outside comments and is not a CourseShelf review.
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