Canvas-based rendering has become a prominent tool for building complex web UI interfaces. When working with large images on canvas, one critical challenge stands out: keeping the main thread responsive during image decoding. Unfortunately there’s no universal way to decode an image for canvas' dra

A collection of bad practices in HTML, copied from real websites.

With web performance, less is typically more: When possible, send less data, make the browser do less. Here are several examples where you can replace common JS patterns with HTML and CSS.

Improving my Astro integration to give Markdown images stable, content-based URLs.

I recently came across this CodePen demo by Vivi Tseng, which creates the blur extension effect by placing a square div with a blur() beneath the img element and I couldn’t help but think a simpler solution should be possible with a single img element and minimal CSS. So let’s first take a look at […]

Transform 3D models, videos, and images with free ASCII art and dithering effects in real-time. LLM-ready visual effects tool for creative projects.

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Browse and create stunning themes for shadcn/ui. Customize colors, fonts, and export with one click.

Using scroll shadows, especially for mobile devices, is a subtle bit of UX that Chris has covered before. Geoff covered a newer approach that uses the animation-timeline property. Here’s yet another way.

The Intervention Programme in the scope of Violence in Interpersonal Relations (PREVINT™) aims to raise awareness among adolescents and adults of contexts of violence in interpersonal relations. It uses a visual mediator divided into three spectra, with 10 levels each, designated as “Violentometer”, where the intensity of violence increases.

Unstyled UI components for building accessible web apps and design systems.

Using the Content Loader API and GitHub Actions to move the content/ directory to an external repository and automatically trigger redeployments.

Monorail turns any CSS keyframe animation into an interactive graph

Animations can be one of the most joyful parts of building interfaces, but without structure, they can also become one of the biggest sources of frustration. By consolidating and standardizing keyframes, you take something that is usually messy and hard to manage and turn it into a clear, predictable system.

Minimizing the readability impact of a typographic brand requirement.

Learn how to use the new range syntax for CSS style queries and the if() function.

Being ahead of the curve can make you a pawn on the field.

Modern responsive image management for projects using the Roots Acorn framework. - webkinder/sproutset

Prose components are perhaps one of the best features of Nuxt Content! This article provides an overview on prose components, exploring their use cases and a bunch of different things you can do with them.

Transform your markdown files into SEO-friendly blogs, articles, and documentation!

Diana Smith | UI Engineer / Developer / Software - Diana Smith aka cyanHarlow

About all the cool stuff that is currently happening in webdev

Generate test files instantly. Perfect for testing file uploads, storage systems, and application performance.

Use the "pathLength` attribute to make animating "stroke-dasharray" and "stroke-dashoffset" easier.

Learn how to implement blazing-fast code syntax highlighting using the CSS Custom Highlight API without creating DOM nodes for each token.

Learn what makes web animations fast, slow, and everything in between with our 2025 web animation performance tier list.

An open source collection of high quality, animated, interactive & fully customizable Vue components for building stunning, memorable user interfaces.

A table that can be sorted differently by clicking the header, improved with animations via same-document view transitions. Explained here: https://pi...

A friendly guide to front-end date pickers!