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All things speed and scalability on the web.

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Shipping Chinese web fonts at ~100 KB per page instead of 14 MB

Shipping Chinese web fonts at ~100 KB per page instead of 14 MB

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4 min read
How we cut image weight on a Next.js store product grid without losing quality

How we cut image weight on a Next.js store product grid without losing quality

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3 min read
Static Site Performance Optimization Checklist (2026)

Static Site Performance Optimization Checklist (2026)

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6 min read
Back/Forward Cache (BFCache): Why Back Navigation Breaks Your Performance Story

Back/Forward Cache (BFCache): Why Back Navigation Breaks Your Performance Story

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Comments 1
10 min read
Next 16 prints no bundle sizes, so I measured ours three ways and found 198 KB of analytics

Next 16 prints no bundle sizes, so I measured ours three ways and found 198 KB of analytics

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6 min read
How I Reduced My Blog's CLS from 0.37 to Under 0.1: A Real-World Case Study

How I Reduced My Blog's CLS from 0.37 to Under 0.1: A Real-World Case Study

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6 min read
Core Web Vitals in Next.js: A Practical Checklist for Fast Small-Business Sites

Core Web Vitals in Next.js: A Practical Checklist for Fast Small-Business Sites

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6 min read
Three of our 38 pages tell every cache not to store them, and all three are the ones with a price on

Three of our 38 pages tell every cache not to store them, and all three are the ones with a price on

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6 min read
An AVIF quality ladder in sharp: q30 to q80, bytes and time

An AVIF quality ladder in sharp: q30 to q80, bytes and time

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4 min read
How I Got a WordPress News Site to a 96 Mobile PageSpeed Score Without Delaying JavaScript

How I Got a WordPress News Site to a 96 Mobile PageSpeed Score Without Delaying JavaScript

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2 min read
Why does CrUX say no data for my client site?

Why does CrUX say no data for my client site?

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6 min read
Why your INP can fall after one more click

Why your INP can fall after one more click

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3 min read
Core Web Vitals Remediation: Fixing LCP, INP & CLS at the Root

Core Web Vitals Remediation: Fixing LCP, INP & CLS at the Root

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4 min read
The sizes attribute: how the browser picks a srcset candidate

The sizes attribute: how the browser picks a srcset candidate

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5 min read
axum vs actix-web vs Rocket on 1 CPU and 1 GB RAM

axum vs actix-web vs Rocket on 1 CPU and 1 GB RAM

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8 min read
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