CategoryPerformance

August 23, 2021 — After almost five years in development, the new HTTP/3 protocol is nearing its final form. Let’s take a close look at the performance improvements of HTTP/3, congestion control, head-of-line-blocking, and 0-RTT connection set-up. Read more…

August 9, 2021 — What exactly is HTTP/3? Why was it needed so soon after HTTP/2 (which was only finalized in 2015)? How can or should you use it? And especially, how does this improve web performance? Let’s find out. Read more…

August 4, 2021 — In this article, we’ll discuss and learn about the use case of iterating over React children and the ways to do it. In particular, we will deep dive into one of the utility methods, React.Children.toArray, that React gives us, which helps to iterate over the children in a way which ensures performance and determinism. Read more…

July 13, 2021 — In JavaScript, attaching an event listener to constantly fire a callback on scroll can be performance-intensive. But there is a better way with Intersection Observer. Read more…

June 25, 2021 — This article explains how we can connect different types of content in a Next.js application. With this technique, we can add any kind of one-to-one, one-to-many, or even many-to-many relationship to our projects. Read more…

June 10, 2021 — Building a faster website can be a rocket task these days. There are so many things to consider, so it’s challenging to get everything right. Here are some less-known tools that might help you get there. Read more…

June 8, 2021 — It’s here! For the last year, we’ve been working with Addy Osmani on a new Smashing Book all around image optimization. And now it’s here. Meet “Image Optimization”, our deep-dive guide to understand how to deliver high-quality images on the web fast. Read more…

June 2, 2021 — Google’s Core Web Vitals initiative has taken the SEO and Web Performance worlds by storm and many sites are busy optimizing their Page Experience to maximize the ranking factor. The Cumulative Layout Shift metric is causing trouble to a lot of sites, so let’s have a look at ways of addressing any issues for that metric. Read more…

June 2, 2021 — Getting a good performance score from Google is hard for any website — but doing so for an online store is even harder. We achieved green scores — even several for mobile. Here is how we did it. Read more…

May 25, 2021 — Web fonts are often terrible for web performance and none of the font loading strategies are particularly effective to address that. Upcoming font options may finally deliver on the promise of making it easier to align fallback fonts to the final fonts. Read more…