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"Easy is boring. That's why I love the web and browsers." - Remy Sharp

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ECMAScript 4: The missing version
In your build tools, you may have noticed that you have an ECMAScript 3 target, and 5 and up, but never a 4. Why is that?
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The most common mistakes found writing React components, why they are mistakes and how to avoid or fix them.
A first look at the ECMAScript proposal “Record & Tuple”.
WebKit handles 100vh in a way that differs from other browsers, which can complicate some layouts. But using -webkit-fill-available might be a good enough alternative to get by.
“Things are better and healthier because we continue to find better ways to work together. And when we do, everyone does better.”
A collection of bad practices in HTML, copied from real websites.
This guide is about the HTML syntax for responsive images (and a little bit of CSS for good measure). We will go over srcset and a whole bunch of things to consider to help you get the best performance and design control from your images.
"I thought this was going to be a short-ish note on fixed positioning and jank, but as with almost everything I write, it grew into a long-ish post about containing blocks, rendering and scroll performance."
Did you know all of these "quirks" about the CSS content property?
For beginners
Some useful advice in this blogpost, even for seasoned CSS devs!
Hello form the server side
QUIC is the protocol underlying the next version of HTTP.
Pure CSS Oil Painting by Diana Smith aka cyanHarlow