I see a recurring performance problem on many ecommerce sites—the most important images on the page are being lazy loaded when they shouldn’t be.

How Liran Cohen and the team at Bookaway, a travel booking service, dramatically improved their site’s performance.

There’s still a lot of misunderstanding about CWV for SEO. Let’s work it out together.

As web applications grow larger, they inevitably fall prey to complexity, despite our best intentions.

How two simple steps improved the responsiveness of Wikipedia’s mobile site.

A look at how different web frameworks perform in the real world in 2023.

New web services are being built to a self-defeatingly low UX and performance standard.

If you’re a web developer, you may have already heard that some CSS selectors are faster than others.

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’