Further thoughts on xAPI: cmi5 and beyond
Now that we have an LRS, a library to handle xAPI statement generation, and upload to the LRS let's look at some further thoughts on xAPI, cmi5, when to use it, and when not to use it. The first thing...
SCORM and xAPI
One of the hottest things, when I was working in higher education, was SCORM. It provided a way for courses coded and packaged to the SCORM specification to send data to a Learning Management System...
Using a web worker to publish Markdown
Inspired by Surma's article When should you be using Web Workers?, I've been looking at ways to use web workers on my projects and I think I've found a good candidate. I write in Markdown and, until...
More Display Goodness
The CSS Display Module Level 3 has added new ways to tell browsers how we want to layout and display the content on our pages. We still have block, inline, none, and other values for display that have...
Working with Jetpack in development mode
Plugins like Jetpack don't work at all in development environments that don't use a fully qualified domain name or a domain that uses non-standard local domains (like site.local or site.dev), making...
Critical Path CSS
I've been looking at Critical Path CSS again as I work trying to improve the performance of this blog. The idea behind Critical Path CSS (from now on, just Critical Path) is that we inline the CSS...
Working With WordPress Development and Staging Environments
Although I've always thought about staging environments as clones of production systems, I understand the need to do things differently in production than in staging or development. This would be no...
Gulp and AVIF, part 2
Using the default encoder and settings, as described in Compressing AVIF images with Gulp, got the task running and produced the result we wanted: AVIF images that were smaller than the source image...
Compressing AVIF images with Gulp
Now that AVIF support is enabled by default in Chrome stable (85) and Firefox (behind a flag) we really should look at how to encode images to AVIF as part of a build workflow. In my normal workflow,...
Is performance all that matters?
One thing that has struck me over the last few years is our obsession with fast. The faster, the better, right? I've become interested in how do we define fast and whether performance is the only...