Journal

I’ve played with the various HTML5 Observer APIs (IntersectionObserver, ResizeObserver and MutationObserver) a little over the last few years—for example using ResizeObserver in a container query solution for responsive grids. But in all honesty their roles, abilities and differences haven’t yet fully stuck in my brain. So I’ve put together a brief explainer for future reference.

Here’s an interesting new article from Ethan Marcotte, in which he muses on better ways to think about Design Systems based on his recent experience.

Once you’ve identified the root causes, you’ll be in a far, far better place to choose the right things — and, more importantly, to create a system that finally supports your design.

Diffchecker is a diff tool to compare text differences between two text files.

GOV.UK’s guidance on developing using progressive enhancement is pretty great in all departments. It begins with this solid advice:

you should start by making your page work with just HTML, before adding anything else like Cascading Style Sheets (CSS) and JavaScript. This is because HTML is the most resilient layer. If the HTML fails there’s no web page. Should the CSS or JavaScript fail, the HTML will still render correctly.

I’ve started reading Recursion by Blake Crouch.

Trys shows us how to use the Nunjucks macro to create encapsulated components. This works out less leaky and more predictable than an include preceded by variables assigned with set.

Mark Root-Wiley explains why navigation menus that appear on click rather than hover are better.

Some excellent favicon tips from Chris Coyier, referencing Andrey Sitnik’s recent article of the same name.

I always appreciate someone looking into and re-evaluating the best practices of something that literally every website needs and has a complex set of requirements.

On my personal website I currently use three web fonts from the Source Sans 3 group: regular, italic and semibold. I self-host my fonts because that’s a good practice. Additionally I use a variety of special characters to add some typographic life to the text.

When self-hosting it’s important from a performance perspective to minimise the weight of the font files your visitors must download. To achieve this I subset my fonts so as to include only the characters my pages use but no more. Here’s how I do it.

I’ve started reading The Rise of the Ultra Runners, by Adharanand Finn.