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Twitter
🚀🚀🚀 Introducing GitHub Actions! 🚀🚀🚀

I wrote a post on what they are, and how to use them from simple implementatio…
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yesterday
#PerfMatters 2019 Call For Presentations
It's time to submit your talk proposal for Conference 2019. CFP opens 10/18 (…
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yesterday
Twitter
It's time to submit your talk proposal for Conference 2019. CFP opens 10/18 (…
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yesterday
Twitter
The GitHub Actions UI is written in Next.js, reaffirming the incremental adoption / interop hypothesis that React i…
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yesterday
Twitter
Holy cow, my videos fail to load in Safari due to a Service Worker bug:

Will I have to UA-…
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yesterday
html - Failed to Load Resource, Plugin Handled Load on iOS - Stack Overflow
Holy cow, my videos fail to load in Safari due to a Service Worker bug:

Will I have to UA-…
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yesterday
Twitter
Awesome WPT overview.

Though if you think a Moto G4 is slow I can't wait to see what you think of a "modern" Alca…
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2 days ago
Twitter
To get the redesign done, many more engineers were onboarded to the team. It didn’t even matter what type of experi…
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3 days ago
Twitter
No, they are new problems. iOS 11.3 added rudimentary PWA support which was even worse (di…
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4 days ago
Twitter
Priority Hints live (behind a flag) in Canary 😍
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6 days ago
Twitter
Tip: To find how a cookie is set, press Cmd+F (Mac) or Ctrl+F on the Network panel to open the search box and type…
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6 days ago
Start Performance Budgeting – Addy Osmani – Medium
Start Performance Budgeting: ~ if you’re building a web experience and want to stay fast, a…
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9 days ago
Twitter
Start Performance Budgeting: ~ if you’re building a web experience and want to stay fast, a…
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9 days ago
Twitter
Function calls between JavaScript and WebAssembly are finally fast! 🎉

wasm » JS 🔥 ~750ms → 450ms
JS » wasm 🔥 ~5500…
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10 days ago
Twitter
At , listening to talking about massive perf improvements when moving from iframes to shadow…
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14 days ago
Twitter
Supposed to be recording my vocal tracks for tomorrow...this horrible hotel WiFi is not making it easy for me…
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15 days ago
Twitter
Using Lodash? Get a *much* smaller bundle with lodash-es or more specific imports. For more savings try lodash-webp…
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16 days ago
React/JSX as a server-side templating language – kentcdodds
I just published “React/JSX as a server-side templating language”
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17 days ago
Twitter
Do you know about the pointer media query? It lets you detect whether a screen is primarily touch-based and is supp…
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19 days ago
PixelSnap for macOS
So this app just changed my life:

PixelSnap: "The fastest way to measure everything on scr…
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20 days ago
Twitter
So this app just changed my life:

PixelSnap: "The fastest way to measure everything on scr…
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20 days ago
Twitter
A quick demonstration of how you can use JavaScript to copy something directly to the user's clipboard.

{ author:…
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25 days ago
Twitter
Adding class="notranslate" to any code sections will prevent a lot of autotranslators from touching…
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25 days ago
Twitter
Better Boolean Variable Names 👏

Coming up with good variable names can be a challenge. For boolean values, you can…
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25 days ago
Untitled (https://www.youtube.com/watch?v=IZuayQFD51w)
This ad has to have the biggest wow moment of any political ad I’ve ever seen
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26 days ago
Twitter
The very coders I've worked with has been superbly clear and polite communicators. I really liked this english-refa…
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27 days ago
Twitter
I made a web performance chart to help figure out where to prioritise frontend performance efforts:…
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28 days ago
Twitter
📢 I just published a new article where I do a deep dive into improving website performance with a technique I'm cal…
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28 days ago
Twitter
There is a reason we do not inline base64 images in our JS, we let the browser prioritize, decode, and render image…
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4 weeks ago
Twitter
En julio pasado, realizamos la primera proyección de nuestro documental, "Espíritu del 98", para los amigos más cer…
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4 weeks ago
Twitter
Prepping some slides for China Google Developer Day and I made the world's simplest Screen Recorder in JS. (With th…
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4 weeks ago
Twitter
Page Lifecycle API
document.addEventListener('freeze', (e) => {
// Stop any open Web Socket connections
// Clos…
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4 weeks ago
Twitter
what's your manager's job?
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4 weeks ago
Twitter
I'm working on something and need a hand.

How do I do this with Ember/Angular/Polymer/Auralia/Svelt/Knockout/Vue?…
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4 weeks ago
Twitter
Useful browser tips (macOS):

I use Cmd+1,2,3,4..9 a lot to switch between Chrome tabs.

Cmd+9 will always go to th…
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4 weeks ago
tag function for formatting console.log(..) statements · GitHub
really enjoying this little tag-function for improving the readability of console.log statements:
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4 weeks ago
Twitter
A tour of JavaScript timers on the web

Promises
setTimeout
setInterval
setImmediate
reques…
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4 weeks ago
A tour of JavaScript timers on the web | Read the Tea Leaves
A tour of JavaScript timers on the web

Promises
setTimeout
setInterval
setImmediate
reques…
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4 weeks ago
Twitter
Storm surge will be a huge factor for Hurricane Check out what it might look like with :
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4 weeks ago
Twitter
I made a 14-pages RFC to explain how Yarn is going to get rid of node_modules and bring the install time to new low…
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5 weeks ago
Twitter
For no particular reason it seems timely again to share my medium article
“Tradeoffs in server side and client side…
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5 weeks ago
Twitter
Chromium intent to implement ElementTiming. I'm _very_ excited about this! Every pixel doesn't have the same value…
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5 weeks ago
Twitter
const bc = new BroadcastChannel('whatever');

What is this, and what does it do? tries to explain it to m…
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5 weeks ago
(429) https://twitter.com/i/web/status/1039852756113080320
Indexing is delayed for pure client side sides. Google indexer is two-pass, first run is without js,…
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5 weeks ago
Twitter
TIL: You can implement rudimentary operator overloading in Javascript by defining a `valueOf` function —
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5 weeks ago
Twitter
The best thing I saw yesterday?

This guy from the Baltimore Ravens Marching Band playing PERFECT air drums to Rush…
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5 weeks ago
Twitter
Woh! What an enlightenment? Hats-off to for the incredibly powerful way of explainin…
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5 weeks ago
Twitter
How well do you know CSS? 👨🏼‍🏫

Given these classes:

.red {
color: red;
}

.blue {
color: blue;
}

Which color…
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5 weeks ago
Twitter
It took a bit of digging, but I figured out how to take Chrome's "no JavaScript" intervention for a test drive and…
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5 weeks ago
Twitter
Working with dates in JavaScript? Try . Shaved 50%+ off my bundle replacing Moment.js + loca…
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6 weeks ago
date-fns - modern JavaScript date utility library
Working with dates in JavaScript? Try . Shaved 50%+ off my bundle replacing Moment.js + loca…
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6 weeks ago
Twitter
I'm writing a 4 part drawsplainer on how browser works🎉

No CompSci degree necessary, if you've written HTML/CSS/JS…
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6 weeks ago
Twitter
Awesome Chrome Dev Tools tip of the day: How to screenshot specific elements.

🔍 Find a page element in Inspect
2⃣…
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6 weeks ago
Twitter
i'm v proud of my talk from xoxo in 2016. a whole lot has changed for me and the rest of the world in only 2 years,…
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6 weeks ago
Twitter
look Ma, no media queries
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6 weeks ago
Twitter
I’ve been thinking about how to distill all this advice about web font loading into a single ✅ checklist of importa…
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6 weeks ago
Twitter
Render Caching for React could see performance boosts like server-side rendering -- with less work and without writ…
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6 weeks ago
Twitter
This Labor Day, I would like to give you managers out there a gift. It’s this 2011 article by Michael Lopp, aka…
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6 weeks ago
Twitter
PSA announcement because SO MANY people don't know this, and give the horrible advice to "use arrow methods all the…
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6 weeks ago
Twitter
This is a crappy substitute, but in JS I use ESLint to find things.

{
"rules": {
"no-res…
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6 weeks ago
Twitter
One aspect of Time Slicing which I haven’t demoed at JSConf is pre-rendering. I think it’s one of the most interest…
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6 weeks ago
Twitter
Tip: Use Exception Breakpoints to pause whenever an uncaught or caught exception is thrown.…
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6 weeks ago
Twitter
How Netflix automatically selects cover photos using AI to extract and rank screenshots from movies and TV series.…
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6 weeks ago
Twitter
Why is the GOP so corny?

You can front a band and run for office. You can pierce your nose, be a bartender, a teac…
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7 weeks ago
Twitter
earlier this year i had a v candid conversation with a few strangers about my work and not wanting to have kids. we…
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7 weeks ago
Twitter
Learn how to reduce JavaScript payloads with Code Splitting: ~ new guide by and I…
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7 weeks ago
React Pose: Animating between value types: height - CodeSandbox
You can even animate width and height to/from "auto"!

I think this would have…
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7 weeks ago
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