In the ever-evolving landscape of frontend frameworks, the diff algorithm—also known as reconciliation—serves as the […]
Mapbox GL JS in 2025: The Hidden Details That Separate 40 RPS from 400 RPS (And Why 90% of Teams Never Notice)
Everyone knows Mapbox GL JS is fast. What almost nobody knows are the 31 low-level […]
The Browser Internals Bible 2025: 48 Pages of Pure, Copy-Pasteable Dry Goods That Separate $600k Staff Engineers from Everyone Else
I spent Q3–Q4 2025 reverse-engineering Chrome 131, Safari 18.2, Firefox 134, and Edge 131 at […]
The Hidden Contract Between Frontend Code and the Browser: What Really Happens When You Write HTML/CSS/JS
Most frontend developers treat the browser like a magical black box: you write <div>, console.log(), […]
Front-End Performance Optimization: From 3.8s → 0.89s LCP – The Complete Playbook That Saved Our E-Commerce Site During Black Friday
Last year, our fashion e-commerce platform faced its ultimate stress test: 2.1 million concurrent users […]
Understanding the Diff Algorithms in React, Vue 2, and Vue 3: A Comprehensive Comparison
In the ever-evolving landscape of frontend frameworks, the diff algorithm—also known as reconciliation—serves as the […]
Frontend Developers, It’s Time to Dive Deeper into Node.js: A 2025 Foundation Guide with Extra Dry Goods (Benchmarks, Code, and Real-World Hacks)
Hey fellow frontend folks – if you’re still treating Node.js like that “server thing” you […]
Node.js vs Go in 2024–2025: I Ran Both at 2 Million QPS for the Same Company — Here’s the Very Long, Very Expensive Truth
I have personally owned two identical services for the same business: Service A: Node.js 20 […]
I’ve Run Node.js Services at 1 Million QPS for 5 Years — Here’s the Very Long, Very Expensive Truth Most People Never Learn
I have been writing production Node.js for eight straight years. I have personally caused three […]
Our E-commerce App Was Bleeding Users – I Slashed FMP by 40% with a Deep Dive into the Algorithm (And No, It Wasn’t Just Lazy-Loading Images)
Imagine this: You’re knee-deep in an e-commerce platform handling Black Friday traffic spikes. Shoppers are […]
Our React App Was Crawling – I Slashed Unnecessary Re-Renders by 35% Without Breaking Anything
Picture this: You’re building out a massive React dashboard for a logistics company. Users are […]