Have you ever needed to build a UI where some component on the page needs to respond to elements as they’re scrolled to a certain threshold within the viewport — or perhaps in and out of the viewport itself? In JavaScript, attaching an event listener to constantly fire a callback on scroll can be performance-intensive, and if used unwisely, can make for a sluggish user experience. But there is a better way with Intersection Observer.
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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. Today, Dom Habersack is going to build a blog with Next.js that supports two or more authors. You will attribute each post to an author and show their name and picture with their posts. Each author also gets a profile page, which lists all posts they contributed.
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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.
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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. 528 pages. From formats and compression to delivery and maintenance. Get the book right away!
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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.
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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. Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. In this article, Jennifer Brehm is going to highlight some of the work she did and how her team was able to achieve their speed.
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Web fonts are often terrible for web performance and none of the font loading strategies are particularly effective to address that. If you want to use web fonts your choices are basically Flash of Invisible Text (aka FOIT) or Flash of Unstyled Text (FOUT). Neither option has really “won out” because neither is really satisfactory, to be honest. Upcoming font options may finally deliver on the promise of making it easier to align fallback fonts to the final fonts.
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At the moment of adding authentication and authorization to our web applications, there are some things that we should evaluate, e.g. whether we need to create our own security platform or whether we can rely on an existing third-party service. Let’s see how we can implement authentication and authorization in Next.js apps, with Auth0.
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Google’s “Page Experience Update” will start rolling out in June. At first, sites that meet Core Web Vitals thresholds will have a minor ranking advantage in mobile search for all browsers. Search is important to any business, and this is the story of how Beau Hartshorne and his team at Instant Domain Search improved their Core Web Vitals scores. Plus, an open-source tool they’ve built along the way.
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When tackling a big refactor, what are the things you should focus on and what performance improvements can you expect? Dealing with themes for large platforms and CMS, legacy issues often become a bottleneck. In this article, Carson Shold discusses how his team improved the performance and organization of their Shopify themes, and improved maintainability along the way.
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