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All things speed and scalability on the web.

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Stop API Spam: Debouncing React Inputs ⚡

Stop API Spam: Debouncing React Inputs ⚡

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3 min read
I built a free TTFB checker that tests your site from 114 countries

I built a free TTFB checker that tests your site from 114 countries

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1 min read
Stop Auth Flickers: Edge Middleware in Next.js ⚡

Stop Auth Flickers: Edge Middleware in Next.js ⚡

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2 min read
SVG vs PNG vs WebP: Pick the Wrong Format and Your Users Pay

SVG vs PNG vs WebP: Pick the Wrong Format and Your Users Pay

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1 min read
I got a real Next.js store to 98 on mobile PageSpeed. Here is what actually moved it, and the trap that fooled me.

I got a real Next.js store to 98 on mobile PageSpeed. Here is what actually moved it, and the trap that fooled me.

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1 min read
Why I Stopped Trusting 'Just Embed the Video' and Built VidDefer Instead

Why I Stopped Trusting 'Just Embed the Video' and Built VidDefer Instead

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7 min read
Fix Core Web Vitals: Offload Scripts with Partytown ⚡

Fix Core Web Vitals: Offload Scripts with Partytown ⚡

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3 min read
🚀 Introducing Prism Guard — An Open Source Frontend Architecture Intelligence Platform

🚀 Introducing Prism Guard — An Open Source Frontend Architecture Intelligence Platform

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2 min read
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
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
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