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All things speed and scalability on the web.

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How to remove unused CSS and shrink your stylesheet

How to remove unused CSS and shrink your stylesheet

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5 min read
A Claude Skill That Makes Images Smaller

A Claude Skill That Makes Images Smaller

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2 min read
Processing Millions of Rows: Web Workers in Next.js ⚡

Processing Millions of Rows: Web Workers in Next.js ⚡

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3 min read
Google just shipped an official "agent-ready" toolkit. Here's the one thing it can't measure.

Google just shipped an official "agent-ready" toolkit. Here's the one thing it can't measure.

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4 min read
System Design Series #4: Understanding Rate Limiting - Why Every Scalable Application Needs It

System Design Series #4: Understanding Rate Limiting - Why Every Scalable Application Needs It

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4 min read
Optimizing Product Photography Workflows for E-Commerce Performance

Optimizing Product Photography Workflows for E-Commerce Performance

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2 min read
How we hit 100/100 Lighthouse on a real estate site (and why most are stuck at 30-50)

How we hit 100/100 Lighthouse on a real estate site (and why most are stuck at 30-50)

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6 min read
Stop Wasting Bandwidth: Master API Caching with ETags ⚡

Stop Wasting Bandwidth: Master API Caching with ETags ⚡

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2 min read
Core Web Vitals for Your Store: LCP, INP, and CLS Explained

Core Web Vitals for Your Store: LCP, INP, and CLS Explained

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6 min read
Your structured data is probably broken, and your crawler isn't telling you

Your structured data is probably broken, and your crawler isn't telling you

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3 min read
Building High-Performance E-Commerce Sites for Niche Fashion: A Developer's Guide

Building High-Performance E-Commerce Sites for Niche Fashion: A Developer's Guide

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2 min read
Sentry vs OpenTelemetry: You Don’t Need to Pick One

Sentry vs OpenTelemetry: You Don’t Need to Pick One

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10 min read
The RSC Payload Trap: Thinning Next.js Component Props ⚡

The RSC Payload Trap: Thinning Next.js Component Props ⚡

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3 min read
Stop Race Conditions: React AbortControllers ⚡

Stop Race Conditions: React AbortControllers ⚡

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2 min read
I Built a Free Image Optimizer That Outputs Responsive HTML — No Sign-Up, No Storage

I Built a Free Image Optimizer That Outputs Responsive HTML — No Sign-Up, No Storage

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3 min read
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