A rather geeky/technical weblog, est. 2001, by Bramus
ct.css – Let’s take a look inside your <head>
Harry Roberts created a utility CSS file ct.css that x-rays your site’s <head>: Your <head> is the single biggest render-blocking part of your page—ensuring it is well-formed is critical. ct.css is a diagnostic CSS snippet that exposes potential performance issues in your page’s <head> tags. <link rel="stylesheet" href="https://csswizardry.com/ct/ct.css" class="ct" /> The CSS basically adds display: …
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Quickly view the HTML for a given page in Safari on iOS/iPadOS 15. Customizable, beautiful, easy to use, and you can tweak the page too! When tapping the “Edit” button it activates contenteditable on the page. Costs $0.99. Achoo HTML Viewer → If you don’t want to buy this extension, or are not using Safari …
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Applications we design are becoming increasingly data-driven. The need for quality data visualization is high as ever. Confusing and misleading graphics are all around us, but we can change this by following these simple rules. I found these tips very snackable and on-point. Don’t entirely agree with “4. Use adaptive y-axis scale for line charts”, …
Over at Smashing Magazine, Robin Marx has written a 3-part series on HTTP/3: After almost five years in development, the new HTTP/3 protocol is nearing its final form. Earlier iterations were already available as an experimental feature, but you can expect the availability and use of HTTP/3 proper to ramp up over in 2021. So …
Adding shadows on the web isn’t that hard: slap a CSS box-shadow onto an element and you’re done. But as Josh W. Comeau points out, making a good, life-like, shadow is hard. When I look around the web, though, it’s clear that most shadows aren’t as rich as they could be. The web is covered …
Coming with Container Queries are “Query Length Units”, a way to dynamically target the width/height of containers (cfr. viewport units). Let’s take a look …
A new animation library, built on the Web Animations API for the smallest filesize and the fastest performance. import { animate } from “motion” const boxes = document.querySelectorAll(".box"); animate(boxes, { backgroundColor: "red" }); Motion One → Be sure to also read the “Improvements over WAAPI” page.
On the Polypane website you can find an interactive Specificity Calculator. Paste in any selector from CSS Selectors Level 4 — yes, that includes those special cases :is(), :where(), :not(), etc. — and out comes the Specificity. CSS Specificity Calculator →
Over at Codecourse you can follow a free video course covering the aforementioned Alpine.js. Alpine.js is a refreshingly minimal JavaScript framework that gives you the reactive nature of Vue and React, but with much more simplicity. This course will get you up to speed on how to use it, with plenty of practical examples along …
Very rad demo by Adam Argyle, which gives you a Spotlight / Focus effect upon pressing the Option/Alt key. Also works on Mobile. (Focus the CodePen embed first) See the Pen Radial focus effect with mask-image by Adam Argyle (@argyleink) on CodePen. It basically is a fixed grey overlay with a mask-image on top that …