Case Study
Ecommerce Frontend: 4.2MB → 1.1MB Bundle
Enterprise ecommerce (India + global traffic)
Challenge
A mature React storefront suffered 8+ second interactive times on 4G, cart abandonment spikes, and declining organic rankings as Core Web Vitals failed.
Approach
Route-level code splitting, dependency audit, AG Grid lazy loading, image CDN policy, and server-side caching for catalog APIs.
Measurable outcomes
JS bundle (gzip)
4.2 MB
1.1 MB
Largest Contentful Paint
6.8 s
2.1 s
Cart completion (mobile)
Baseline
+18% relative lift
Stack: React, Webpack, AG Grid, Node.js, CloudFront