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I built a prefetcher that knows when to stop

I built a prefetcher that knows when to stop

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9 min read
Building a bilingual browser game with Astro and Cloudflare (and making the HTML actually cache)

Building a bilingual browser game with Astro and Cloudflare (and making the HTML actually cache)

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2 min read
How I Rebuilt the Homepage of My HTML5 Games Portal (and What I Learned About Caching)

How I Rebuilt the Homepage of My HTML5 Games Portal (and What I Learned About Caching)

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3 min read
Compression Dictionaries: Ship Only the Diff When Your Bundle Changes

Compression Dictionaries: Ship Only the Diff When Your Bundle Changes

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4 min read
Our preload header downloads four files the page never uses, and one query parameter is why

Our preload header downloads four files the page never uses, and one query parameter is why

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4 min read
Launch checklist vs retainer checklist for AI-built websites

Launch checklist vs retainer checklist for AI-built websites

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6 min read
A 91 PageSpeed score failed Core Web Vitals. A 51 passed. Notes from testing 14 law firm websites

A 91 PageSpeed score failed Core Web Vitals. A 51 passed. Notes from testing 14 law firm websites

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4 min read
We Sold PageSpeed Retainers for Years. Here Is Why We Productised Monitoring Instead of Another Audit PDF

We Sold PageSpeed Retainers for Years. Here Is Why We Productised Monitoring Instead of Another Audit PDF

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9 min read
Does this URL pass Core Web Vitals? Check CrUX field data in Python, with an honest origin fallback

Does this URL pass Core Web Vitals? Check CrUX field data in Python, with an honest origin fallback

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7 min read
A practical walkthrough of real-world WordPress performance optimizations

A practical walkthrough of real-world WordPress performance optimizations

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6 min read
Quality 80 Is Not a File-Size Promise: Build Image Compression Around Measured Byte Budgets

Quality 80 Is Not a File-Size Promise: Build Image Compression Around Measured Byte Budgets

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6 min read
Run PageSpeed Insights on hundreds of URLs and get one spreadsheet back

Run PageSpeed Insights on hundreds of URLs and get one spreadsheet back

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3 min read
We Thought We Had an Image Format Problem. We Actually Had a Workflow Problem.

We Thought We Had an Image Format Problem. We Actually Had a Workflow Problem.

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3 min read
10 WordPress + Elementor Performance Fixes That Actually Move the Needle

10 WordPress + Elementor Performance Fixes That Actually Move the Needle

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3 min read
A practical Core Web Vitals checklist for small business WordPress sites

A practical Core Web Vitals checklist for small business WordPress sites

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4 min read
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