Category Archives: webdev

Long Term Web Semantics

Something irks me about the phrase “semantic HTML”. The intent is clear enough — using HTML in ways that are readable, using plain language to describe things. But that’s not what “semantic” means. We might as well be saying “well written” or “copy edited”. They’d be closer fits. What we describe today as “unsemantic markup” […]


One of the things I’ve poured myself into this year — with a merry band of contributors including Domenic Denicola, Anne van Kesteren, Jake Archibald, Mark Miller, Erik Arvidsson, and many others — has been a design for Promises that DOM and JS can both adopt. There’s a (very) long history of Promises, Deferreds, and […]

Use-Case Zero

Some weeks back I lobbed an overly terse “noooooooooo!!!!!” at the W3C Web Application Security Working Group over revisions to the CSP 1.1 API; specifically a proposed reduction of the surface area to include only bits for which they could think of direct use-cases in a face-to-face meeting. At the time I didn’t have the […]

The Case Against Synchronous Worker APIs

Several times in the past few months I’ve been presented with this question: is it good or useful to provide synchronous APIs to web workers? Having considered the question at some length, it seems to me the answer must now be “no“. Consider IndexedDB. It’s not implemented in any browser yet, but some hard-working soul […]