Issue #425

David East gives an in-depth overview of different performance metrics.

Steve Faulkner explores how is the new content-visibility property exposed to screen readers and other assistive technology that make use of the content information represented in the browser accessibility tree.

Dan Klammer gives an overview of AVIF, a new super-compressed image type.

Thomas Steiner explains how the Local Font Access API allows you to access the user’s locally installed fonts and obtain low-level details about them.

Adrian Bece outlines some useful debugging strategies while demonstrating how to solve a weird bug.

Prasanjit Singh digs into animations on the web and lays down some ground rules for working with them.

Šime Vidas explains that the CSS ::before and ::after pseudo-elements cannot be added to text inputs and images because these elements are “replaced elements,” a special category defined in the Rendering section of the HTML Standard.

Launch in the cloud and scale up as you grow – with an intuitive control panel, predictable pricing, team accounts, and more. Get started on DigitalOcean with a $100, 60-day credit.

React-PDF is a library that lets you display PDFs in your React app as easily as if they were images.

An easy to implement, 3D typography for the web that works with every font.

Shunya Koide created a stunningly realistic illustration using only CSS.