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Web Performance

All things speed and scalability on the web.

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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
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
How I made my React portfolio 2x faster (Lighthouse 30 to 80) by prerendering a Vite app

How I made my React portfolio 2x faster (Lighthouse 30 to 80) by prerendering a Vite app

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4 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
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
Does WordPress 7.1 Optimize Your Images? Not Really

Does WordPress 7.1 Optimize Your Images? Not Really

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3 min read
How One 2-vCPU VPS Hosts 5,000 Dynamic Sites and Renders a 10-Blog-Item Page in Under 1 ms?

How One 2-vCPU VPS Hosts 5,000 Dynamic Sites and Renders a 10-Blog-Item Page in Under 1 ms?

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5 min read
Securing Automated Static Site Deployments

Securing Automated Static Site Deployments

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4 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
Site-Wide Structured Data and Social Graph Integration

Site-Wide Structured Data and Social Graph Integration

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4 min read
A Website Can Work Perfectly and Still Be Bad: Why Web Performance Matters

A Website Can Work Perfectly and Still Be Bad: Why Web Performance Matters

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8 min read
React Performance Patterns I Use Every Day

React Performance Patterns I Use Every Day

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2 min read
What Browser Game Platforms Get Wrong About Main-Thread Performance

What Browser Game Platforms Get Wrong About Main-Thread Performance

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7 min read
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