At JavaScript Mastery, we've built a scalable learning platform to serve millions of developers worldwide—and the process came with its own unique challenges and takeaways. Traditional learning platforms suffer from rigid structures, low retention, and scalability bottlenecks, so we set out to create a flexible, high-performance system that could grow with our audience.
In this talk, I'll break down how we engineered a dynamic MDX-based content system with React, enabling seamless integration of videos, interactive coding, and AI-powered quizzes.
I’ll dive into:
- React Server Components & streaming rendering for a 40% performance boost
- Next.js-driven SEO strategies that tripled organic traffic
- Data-driven engagement techniques that significantly improved retention
- Scaling lessons from serving a global developer audience
This is a real-world case study of the engineering decisions, challenges, and optimizations that took our platform from an idea to a widely adopted learning ecosystem. Whether you're scaling an LMS or any content-driven application, these insights will help you build, optimize, and grow your own platforms effectively."
This talk has been presented at React Summit 2025, check out the latest edition of this React Conference.