Latest Posts

Your first performance budget with Lighthouse

I asked on Twitter the other day how many people had created and enforced a performance budget for a website they were working on. Not surprisingly, the vast majority of people hadn't. I'm curious, have you ever created (and enforced) a performance budget for a site you'...

Removing duplicate objects from an Array (is hard)

Let’s say we have an array of objects such as the following: const books = [ { name: "My Sister the Serial Killer", author: "Oyinkan Braithwaite" }, { name: "Educated", author: "Tara Westover" }, { name: "My Sister the Serial Killer", author: "Oyinkan Braithwaite"...

Tips for making interactive elements accessible on mobile devices

The Web Content Accessibility Guidelines (WCAG) is a set a guidelines for how to make websites accessible. The second version was published in 2008, before websites were available on mobile devices in any meaningful way. A few months ago, the WCAG was updated to version 2.1, which includes a...

Revisiting the abbr element

A few weeks ago, I wrote about how to make the abbr element work for touchscreen, keyboard, and mouse. My suggestion involved making the <abbr> element focusable with the tabindex attribute and using pseudo-elements to create a tooltip from the title attribute. <abbr title="Cascading Style...

What self.skipWaiting() does to the service worker lifecycle

The ServiceWorker.skipWaiting() method is a life saver. It ensures that any new versions of a service worker will take over the page and become activated immediately. To understand why this is so important and useful, we need to revisit the service worker lifecycle. I have a more detailed article...

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