Blog

Technical writing on Web3, AI, and building things. Written by Uvin Vindula.

130 articles · 3 in Performance & Optimization

Bundle Size Optimization in Next.js: Under 150KB Initial JS

How I cut initial JavaScript from 380KB to 120KB on a production Next.js e-commerce site. Covers @next/bundle-analyzer, dynamic imports, tree-shaking, Server Components, code splitting strategies, and heavy library alternatives — with real before/after numbers from FreshMart.

U

Uvin Vindula·April 14, 2025

Performance & Optimization10 min

IAMUVIN

Image Optimization in Next.js: The Complete Performance Guide

A complete guide to image optimization in Next.js using next/image — covering WebP and AVIF format selection, blur placeholders, responsive sizing, priority loading, external image sources like Sanity and Cloudinary, CLS prevention, and the exact component patterns I use to hit PageSpeed 95+ on every project.

U

Uvin Vindula·January 6, 2025

Performance & Optimization11 min

IAMUVIN

Core Web Vitals for Next.js: How I Hit 95+ on Every Project

A hands-on guide to achieving 95+ Lighthouse scores in Next.js — covering LCP, INP, CLS, bundle optimization, image strategy, font loading, and Server Components. Based on real production numbers from FreshMart and other projects I have shipped.

U

Uvin Vindula·September 16, 2024