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Skilly — Online Courses
An engaging platform for online learning and skill development.
Case Study Overview — Skilly — Online CoursesProduction Release
High-Performance Architecture
An engaging platform for online learning and skill development.
Next.jsVideo StreamingTailwindPostgreSQL
The Client Challenge
The client required a modern, highly scalable platform capable of delivering sub-second page loads across mobile and desktop devices. Previous legacy architecture suffered from slow initial renders and conversion drop-offs.
The Engineering Solution
YJ DEVELOPERS architected a modern Next.js solution leveraging React Server Components, custom Tailwind UI design tokens, dynamic image optimization, and edge infrastructure.
Sub-Second Speed
Optimized Core Web Vitals resulting in 98+ Lighthouse performance scores.
WCAG AA Compliant
Accessible contrast ratios, keyboard navigation, and semantic HTML5.
Key Metrics & Results
99/100Lighthouse Performance
+140%User Engagement Increase
< 0.8sFirst Contentful Paint
Project Overview
CategoryEDUCATION