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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.dev github website twitter website

Education

Concordia College - Moorhead, MN

Work

Sr. Software Engineer at Ramsey Solutions

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Why I Like Using Maps (and WeakMaps) for Handling DOM Nodes
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Why I Like Using Maps (and WeakMaps) for Handling DOM Nodes

#javascript #performance
1
Comments 1
6 min read
When a JavaScript WeakMap() Actually Came in Handy
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When a JavaScript WeakMap() Actually Came in Handy

#javascript #ecmascript #weakmap #performance
5
Comments 1
5 min read
TIL: The Download Attribute Doesn’t “Just Work” for Cross-Origin Resources
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TIL: The Download Attribute Doesn’t “Just Work” for Cross-Origin Resources

#html #downloads #navigation
Comments
3 min read

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Get All That Network Activity Under Control with Priority Hints
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Get All That Network Activity Under Control with Priority Hints

#performance #cwv #hints
10
Comments
9 min read
Your Cache Headers Could Probably be More Aggressive
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Your Cache Headers Could Probably be More Aggressive

#performance #caching
1
Comments
6 min read
Reviewing PicPerf's Impact on SongwriterCity.com
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Reviewing PicPerf's Impact on SongwriterCity.com

#performance #business #images
Comments
3 min read
Building a Two-Way Data Binding Hook for Form Inputs in React
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Building a Two-Way Data Binding Hook for Form Inputs in React

#react #javascript #forms #vue
Comments 2
5 min read
Taking Variable Fonts for a Spin
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Taking Variable Fonts for a Spin

#fonts #performance #ui
Comments
5 min read
Run Puppeteer with Docker on Fly.io
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Run Puppeteer with Docker on Fly.io

#docker #puppeteer #chrome
Comments
5 min read
How to Better Leverage Browser Preloading
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How to Better Leverage Browser Preloading

#preloading #performance #javascript
Comments
7 min read
Mount a Multi-Page SPA into an App with Server-Side Routing
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Mount a Multi-Page SPA into an App with Server-Side Routing

#spa #react #routing #laravel
2
Comments
5 min read
Why I Moved from Notion to Ghost for My Headless CMS
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Why I Moved from Notion to Ghost for My Headless CMS

#blogging #cms
1
Comments
6 min read
Picking the Right Tool for Maneuvering JavaScript's Event Loop
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Picking the Right Tool for Maneuvering JavaScript's Event Loop

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

#ruby #performance
Comments
5 min read
Options for Navigating JavaScript's Event Loop
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Options for Navigating JavaScript's Event Loop

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

#javascript #performance
Comments
5 min read
Consider Animating Your Canvas in a Web Worker
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Consider Animating Your Canvas in a Web Worker

#javascript #performance
Comments
4 min read
More Elegant Destructuring with JavaScript Generators
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More Elegant Destructuring with JavaScript Generators

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

#mutationobserver #polling #javascript
Comments
5 min read
You’ve Got Options for Removing Event Listeners
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You’ve Got Options for Removing Event Listeners

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

#javascript #html
Comments
3 min read
What I Like About Astro
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What I Like About Astro

#astro #performance #jamstack
Comments
7 min read
How to Lazy Load Disqus for Improved Site Performance
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How to Lazy Load Disqus for Improved Site Performance

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

#performance #blogging #seo #privacy
Comments
8 min read
When I Actually Needed useLayoutEffect() in React
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When I Actually Needed useLayoutEffect() in React

#react #performance #hooks
Comments
5 min read
Serving Notion Presigned Images with Cloudflare Workers
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Serving Notion Presigned Images with Cloudflare Workers

#cloudflare #edge #notion #jamstack
6
Comments
9 min read
I’ve Boarded the SSG Train Again
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I’ve Boarded the SSG Train Again

#jamstack #ssg #remix #ssr
1
Comments
10 min read
Why Can’t You .forEach() Over Empty Array Items?
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Why Can’t You .forEach() Over Empty Array Items?

#javascript #loop #foreach #iterator
3
Comments 2
3 min read
Using Vite to Develop an SPA in the Context of a Production Page
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Using Vite to Develop an SPA in the Context of a Production Page

#vite #spa #proxy
Comments
9 min read
Why I've Had No Regrets Moving from Google Analytics to Plausible
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Why I've Had No Regrets Moving from Google Analytics to Plausible

#analytics #google #privacy #performance
1
Comments
9 min read
When DOM Updates Appear to Be Asynchronous
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When DOM Updates Appear to Be Asynchronous

#javascript #animation #performance
1
Comments
9 min read
Why I Like Tailwind CSS
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Why I Like Tailwind CSS

#tailwindcss #css #styling #frameworks
5
Comments 1
7 min read
Don't Feel Bad About Using XMLHttpRequest
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Don't Feel Bad About Using XMLHttpRequest

#ajax #fetch #xmlhttprequest #javascript
8
Comments 1
12 min read
When It Makes Sense to Use a Utility Function Instead of a Polyfill
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When It Makes Sense to Use a Utility Function Instead of a Polyfill

#performance #polyfill #javascript
7
Comments
11 min read
Clean Up Your Redux Store Listeners When Component State Updates
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Clean Up Your Redux Store Listeners When Component State Updates

6
Comments
7 min read
Cleaning Up Redux Store Listeners When Component State Updates
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Cleaning Up Redux Store Listeners When Component State Updates

#react #redux #statemanagement #lifecycle
6
Comments
7 min read
Streamlining Conditional Statements with Logical Operators
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Streamlining Conditional Statements with Logical Operators

#javascript #logic #programming #syntax
7
Comments
4 min read
A Plot Proposal for Frozen III
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A Plot Proposal for Frozen III

#entertainment #browsers #chrome #firefox
7
Comments
1 min read
If the Democratic Presidential Candidates Were JavaScript Packages
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If the Democratic Presidential Candidates Were JavaScript Packages

#javascript #politics
10
Comments
1 min read
For the Sake of Your Event Listeners, Use Web Workers
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For the Sake of Your Event Listeners, Use Web Workers

#javascript #performance #webworkers
7
Comments
5 min read
Blog for Your Own Sake
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Blog for Your Own Sake

#blogging #writing
9
Comments
3 min read
Building a Shell Function to Copy the Latest Git Commit SHA
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Building a Shell Function to Copy the Latest Git Commit SHA

#zsh #bash #shell
7
Comments
5 min read
Should We All Start Implementing Differential Serving?
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Should We All Start Implementing Differential Serving?

#performance #javascript #frontend
6
Comments
6 min read
Deploying Code with a Git Hook on a DigitalOcean Droplet
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Deploying Code with a Git Hook on a DigitalOcean Droplet

2
Comments
6 min read
A Simpler Unit Testing Setup for WordPress
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A Simpler Unit Testing Setup for WordPress

2
Comments
7 min read
Creating a .map() Method for Objects, Strings, Sets, and Maps
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Creating a .map() Method for Objects, Strings, Sets, and Maps

10
Comments
5 min read
Remember to Probably Target an Empty Object with Object.assign()
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Remember to Probably Target an Empty Object with Object.assign()

3
Comments
2 min read
Formatting My PHP More Efficiently with a Bash Function
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Formatting My PHP More Efficiently with a Bash Function

4
Comments
3 min read
Quickly Spin Up MySQL w/ Docker Compose
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Quickly Spin Up MySQL w/ Docker Compose

#mysql #docker
11
Comments
1 min read
Writing a Regular Expression to Target Images Without a Class
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Writing a Regular Expression to Target Images Without a Class

#regex #php
8
Comments
5 min read
Best-ish Practices for Dynamically Prefetching & Prerendering Pages with JavaScript
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Best-ish Practices for Dynamically Prefetching & Prerendering Pages with JavaScript

#performance #javascript
6
Comments
10 min read
Using the 'posts_where' Filter with WP_Query in WordPress
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Using the 'posts_where' Filter with WP_Query in WordPress

#wordpress
6
Comments
3 min read
Preloading JavaScript Assets in WordPress
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Preloading JavaScript Assets in WordPress

#javascript #performance #wordpress
3
Comments
6 min read
Let's Stop Making it Cool to Hate jQuery
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Let's Stop Making it Cool to Hate jQuery

#jquery #javascript
5
Comments
5 min read
Build Your Own Simple Lazy Loading Functionality in WordPress
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Build Your Own Simple Lazy Loading Functionality in WordPress

#wordpress #performance #javascript
10
Comments
6 min read
Building a Lambda Function with Netlify
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Building a Lambda Function with Netlify

4
Comments
11 min read
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