A collection of best practices for optimizing websites’ Core Web Vitals performance based on the state of the web in 2023.

When digital is society's default, slow is exclusionary.

Browser behavior that might improve your performance.

So you want an auto-playing looping video without sound? In popular vernacular this is the very meaning of the word GIF.

How helpful is Critical CSS?

Identify, compare, analyze and fix your Core Web Vitals scores to boost web performance of your sites. These tools will help you to do just that.

Optimizing the size of images can have a bigger impact on performance than all other areas combined.

Last year, I asked the question: Does shadow DOM improve style performance?

In this article, Thomas Bohm explains ways to test typefaces and other typographic issues.

At the end of 2021, the Chrome team shipped some functionality that has the ability to make or break sites meeting the Core Web Vitals.

You may not think about images as part of your web dev work, but they can affect your web app’s performance more than any other part of your code.

Crazed developer attempts real ecommerce without front-end JavaScript to prove that y’all playin’

Today, I want to talk about how you can build multi-page apps (or, you know, regular websites) that are as fast as SPAs.

Web magazine about user experience matters, providing insights and inspiration for the user experience community

How to improve Core Web Vitals, a case study on how to detect and fix bottlenecks, and how we ended up with green scores, all the way.

When pushed, how do various design tools utilise the hardware they’re running on?

Learn about measuring animations, how to think about animation frames, and overall page smoothness.

When I started giving talks about SVG back in 2016, I’d occasionally hear a question I never had a great answer for.

And the debug process leading up to it.

Learn about measuring animations, how to think about animation frames, and overall page smoothness.