320 and up by Andy Clarke takes on the notion that when using responsive design with media queries small devices load assets they don’t need. This technique uses a tiny stylesheet first, and loads larger assets only when needed.
ChaosTheory—a dark, single-column theme developed exclusively for WordPress.com—is now available in the official WordPress Themes Directory.
If you’re like me and dread reading detailed specs for web technologies, but want to dig into and learn the details that matter to your work, check out the WHATWG HTML5 specification for web developers by Ben Schwarz.
The focus of this specification is readability and ease of access. Unlike the full HTML specification, this “web developer edition” removes information that only browser vendors need know.
Dust-Me Selectors is a Firefox extension that finds unused CSS selectors by inspecting your stylesheet and comparing the rules with the elements in your markup.
A must-have for your webcraft toolbelt.
If you’re designed out for the day and need something sufficiently geeky to bring you back to midfield, I suggest Andy Skelton’s excellent writeup about a lesser-known but oft-used WordPress string formatting function, WordPress code surprise: wp_sprintf.
For those that fancy doing web design and debugging on Webkit browsers, here is a recently announced round of improvements.
I personally shall appreciate the fact that color values are rendered as originally written —if desired—, which should make experimenting and copying from the browser to the original stylesheet much easier, by preserving the chosen code style. The style presentation and persisting changes add-ons are equally neat.