Engineering, Shopify Apps & Developer Stories
Explore 35+ battle-tested guides, production architecture breakdowns, Core Web Vitals playbooks, and transparent stories from building published SaaS products on the Shopify App Store.
Building Kilo: Architectural Deep-Dive into 100% Client-Side Media Compression & Shopify GraphQL Sync
An architectural deep-dive into building Kilo (kilo.nazmulcodes.org): a zero-server browser compression engine using OffscreenCanvas and WebAssembly, paired with Shopify GraphQL Admin API to compress store media without external cloud processing costs.
How I Achieve 95+ Mobile Lighthouse Scores on Heavy E-Commerce Stores
A comprehensive, step-by-step masterclass on transforming sluggish 30-score online stores into sub-second, 95+ mobile Lighthouse powerhouses.
Zero CLS Masterclass: Eliminating Cumulative Layout Shift in Dynamic Web Applications
How to diagnose and fix layout shifts caused by web fonts, dynamically loaded banner ads, image carousels, and asynchronous review widgets.
Modern Web Font Optimization: WOFF2, Subsetting & Zero FOUT/FOIT
Stop downloading multi-megabyte Google Font files. Master WOFF2 compression, unicode-range glyph subsetting, and font preloading.
Mastering INP: How to Debug & Optimize Interaction to Next Paint in React & Remix
A practical guide to identifying long main-thread tasks, optimizing React re-renders, and passing Google’s newest Core Web Vital metric.
Critical CSS Inlining vs Async Loading: What Really Speeds Up First Contentful Paint
An analytical look at CSS delivery architectures: when to inline critical rules into HTML <style> tags and when to rely on HTTP/3 parallel stream loading.
Next-Gen Image Pipelines: WebP, AVIF, Responsive Srcsets & Zero Blur
How to build an automated image processing pipeline that reduces asset weight by 80% while retaining razor-sharp visual clarity on Retina screens.
Loading Google AdSense & Analytics with Zero Lag and Full Hydration Safety
How to display Google AdSense ads and collect analytics data without degrading Core Web Vitals or triggering React hydration error #418.
High-Throughput HTTP Caching: stale-while-revalidate & Edge CDN Optimization
Harness the power of HTTP Cache-Control headers, Vercel Edge caching, and stale-while-revalidate to handle millions of requests on tiny server footprints.