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Alex MacArthur profile picture

Alex MacArthur

Bossing around computers in made-up languages.

Location Nashville, TN Joined Joined on  Personal website https://picperf.io github website twitter website

Education

Concordia College - Moorhead, MN

Work

Senior Software Engineer at Ramsey Solutions

Writing Debut
Six Year Club
Five Year Club
Four Year Club
Three Year Club
Two Year Club
One Year Club
I didn't know you could use sibling parameters as default values in functions.

I didn't know you could use sibling parameters as default values in functions.

Comments
3 min read

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JamComments Now Offers AI-Powered Moderation

JamComments Now Offers AI-Powered Moderation

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3 min read
It’s Probably Worth Converting that GIF to an Animated WebP

It’s Probably Worth Converting that GIF to an Animated WebP

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5 min read
Adding Structured Data in Astro's Starlight Documentation Framework

Adding Structured Data in Astro's Starlight Documentation Framework

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4 min read
The Machines Would Appreciate More Structured Data

The Machines Would Appreciate More Structured Data

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8 min read
Looking Forward to (Hopefully) Not Needing Responsive Images One Day

Looking Forward to (Hopefully) Not Needing Responsive Images One Day

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3 min read
You Might Consider Using an Image Sitemap

You Might Consider Using an Image Sitemap

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6 min read
The Architecture Might Not Be the Problem

The Architecture Might Not Be the Problem

Comments 1
4 min read
Transform Image URLs with a Simple Cloudflare Worker

Transform Image URLs with a Simple Cloudflare Worker

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7 min read
Maintain a Healthy Sense of Caution Whenever Running a `curl|bash` Command

Maintain a Healthy Sense of Caution Whenever Running a `curl|bash` Command

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5 min read
It's never been easier to performantly put images on the web.

It's never been easier to performantly put images on the web.

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6 min read
Why Am I Getting a 502 Bad Gateway After Turning on Plausible?

Why Am I Getting a 502 Bad Gateway After Turning on Plausible?

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2 min read
How to Back Up Your Self-Hosted Plausible Analytics Data

How to Back Up Your Self-Hosted Plausible Analytics Data

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3 min read
Raise the API Rate Limit for a Self-Hosted Instance of Plausible

Raise the API Rate Limit for a Self-Hosted Instance of Plausible

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3 min read
Let's Bring Back JavaScript's `with()` Statement

Let's Bring Back JavaScript's `with()` Statement

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11 min read
Server-rendering your UI is expensive!

Server-rendering your UI is expensive!

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1 min read
You should still look at your site with JavaScript disabled.

You should still look at your site with JavaScript disabled.

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1 min read
Strive for Being "Feature-Complete"

Strive for Being "Feature-Complete"

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1 min read
There Are a Lot of Ways to Hide Stuff in the Browser

There Are a Lot of Ways to Hide Stuff in the Browser

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9 min read
Lighthouse is Not Your End User

Lighthouse is Not Your End User

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1 min read
Deserializing Polymorphic Lists with Kotlin, Jackson, and Spring Boot

Deserializing Polymorphic Lists with Kotlin, Jackson, and Spring Boot

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6 min read
Executing Dangerously Injected Scripts Inside React Components

Executing Dangerously Injected Scripts Inside React Components

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6 min read
For Maximum Accessibility, Be Careful About Using a .dev Domain

For Maximum Accessibility, Be Careful About Using a .dev Domain

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5 min read
Don't Let Visitors Know Your Origin Server Exists

Don't Let Visitors Know Your Origin Server Exists

2
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8 min read
PicPerf's Impact on Jane Ross Tutoring's Website

PicPerf's Impact on Jane Ross Tutoring's Website

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2 min read
TIL: The Download Attribute Doesn’t “Just Work” for Cross-Origin Resources

TIL: The Download Attribute Doesn’t “Just Work” for Cross-Origin Resources

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3 min read
Get All That Network Activity Under Control with Priority Hints

Get All That Network Activity Under Control with Priority Hints

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9 min read
Your Cache Headers Could Probably be More Aggressive

Your Cache Headers Could Probably be More Aggressive

1
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6 min read
Reviewing PicPerf's Impact on SongwriterCity.com

Reviewing PicPerf's Impact on SongwriterCity.com

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3 min read
Building a Two-Way Data Binding Hook for Form Inputs in React

Building a Two-Way Data Binding Hook for Form Inputs in React

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5 min read
Taking Variable Fonts for a Spin

Taking Variable Fonts for a Spin

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5 min read
Run Puppeteer with Docker on Fly.io

Run Puppeteer with Docker on Fly.io

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5 min read
How to Better Leverage Browser Preloading

How to Better Leverage Browser Preloading

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7 min read
Mount a Multi-Page SPA into an App with Server-Side Routing

Mount a Multi-Page SPA into an App with Server-Side Routing

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5 min read
Why I Moved from Notion to Ghost for My Headless CMS

Why I Moved from Notion to Ghost for My Headless CMS

2
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6 min read
Picking the Right Tool for Maneuvering JavaScript's Event Loop

Picking the Right Tool for Maneuvering JavaScript's Event Loop

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12 min read
Elegant Memoization with Ruby’s .tap Method

Elegant Memoization with Ruby’s .tap Method

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5 min read
Options for Navigating JavaScript's Event Loop

Options for Navigating JavaScript's Event Loop

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12 min read
If Possible, Don't Run Prism.js in the Browser

If Possible, Don't Run Prism.js in the Browser

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5 min read
Consider Animating Your Canvas in a Web Worker

Consider Animating Your Canvas in a Web Worker

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4 min read
More Elegant Destructuring with JavaScript Generators

More Elegant Destructuring with JavaScript Generators

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3 min read
Use a MutationObserver to Handle DOM Nodes that Don’t Exist Yet

Use a MutationObserver to Handle DOM Nodes that Don’t Exist Yet

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5 min read
You’ve Got Options for Removing Event Listeners

You’ve Got Options for Removing Event Listeners

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5 min read
Use the .matches() Method to Determine if a Selector Matches an Element

Use the .matches() Method to Determine if a Selector Matches an Element

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3 min read
What I Like About Astro

What I Like About Astro

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7 min read
How to Lazy Load Disqus for Improved Site Performance

How to Lazy Load Disqus for Improved Site Performance

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4 min read
Keep Using Disqus if You Don’t Care About SEO, Performance, and User Privacy

Keep Using Disqus if You Don’t Care About SEO, Performance, and User Privacy

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8 min read
When I Actually Needed useLayoutEffect() in React

When I Actually Needed useLayoutEffect() in React

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5 min read
Serving Notion Presigned Images with Cloudflare Workers

Serving Notion Presigned Images with Cloudflare Workers

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9 min read
I’ve Boarded the SSG Train Again

I’ve Boarded the SSG Train Again

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10 min read
Why Can’t You .forEach() Over Empty Array Items?

Why Can’t You .forEach() Over Empty Array Items?

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3 min read
Using Vite to Develop an SPA in the Context of a Production Page

Using Vite to Develop an SPA in the Context of a Production Page

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9 min read
When DOM Updates Appear to Be Asynchronous

When DOM Updates Appear to Be Asynchronous

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9 min read
Why I Like Tailwind CSS

Why I Like Tailwind CSS

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7 min read
Don't Feel Bad About Using XMLHttpRequest

Don't Feel Bad About Using XMLHttpRequest

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12 min read
When It Makes Sense to Use a Utility Function Instead of a Polyfill

When It Makes Sense to Use a Utility Function Instead of a Polyfill

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11 min read
Clean Up Your Redux Store Listeners When Component State Updates

Clean Up Your Redux Store Listeners When Component State Updates

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7 min read
Cleaning Up Redux Store Listeners When Component State Updates

Cleaning Up Redux Store Listeners When Component State Updates

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7 min read
Streamlining Conditional Statements with Logical Operators

Streamlining Conditional Statements with Logical Operators

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4 min read
A Plot Proposal for Frozen III

A Plot Proposal for Frozen III

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1 min read
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