Reactivity is the ability for a variable (array, string, number, object, etc) to update when its value or any other variable that it makes reference to is changed after declaration.

https://smashingmagazine.com/2021/03/reactivity-in-vue/

Eleventy (aka 11ty) is rising in the ranks among static site generators. This Node-based builder is attractive due to its zero-config starting point, purely static output, and ease of achieving the coveted top Lighthouse performance score of four perfect 100s. Let’s dive into what else makes it unique, and learn about some essential concepts to help you successfully get started.

https://smashingmagazine.com/2021/03/eleventy-static-site-generator/

One of the drivers of the popularity of headless options is that expectations for the quality of user experience are constantly going up. In this article, we explore what headless means, use cases for it, and how to decide if headless is a good fit for you.

https://smashingmagazine.com/2021/03/going-headless-use-cases/

Reliable accessible front-end components: :focus styles, content sliders, dark mode, data charts, date pickers, form styles, navigation menu, modals, radio buttons, "skip" links, SVGs, tabs, tables, toggles and tooltips.

https://smashingmagazine.com/2021/03/complete-guide-accessible-front-end-components/

Wondering what’s happenin’ at Smashing? Well, we’ve been busy. Here’s a little story of how we removed floating labels, improved performance on mobile, and launched a new series of articles. Oh, and how you can contribute to Smashing, too.

https://smashingmagazine.com/2021/03/floating-labels-performance-lighthouse/

The secret to growing a successful web design business is thinking of design as a service, not a product. When you focus on recurring revenue and sell to one targeted niche, you can grow a business faster than ever.

https://smashingmagazine.com/2021/03/web-design-clients-fast-part1/

Flutter has been transitioning from a cross-platform mobile development SDK for Android/iOS into a tool that allows you to run the same code natively in a browser on Windows, Linux and macOS. With Flutter 2, non-mobile Flutter development is starting to become more viable.

https://smashingmagazine.com/2021/03/flutter2-stable-mobile-web-desktop-development-native-speed-one-codebase/

How do we know which patterns are good, better, best when it comes to accessibility? Is it better to use an established pattern/library or create new ones? With the myriad of choices available, we can quickly become caught up in a web of confusion on this topic.

https://smashingmagazine.com/2021/03/good-better-best-untangling-complex-world-accessible-patterns/

In a new short series of posts, we highlight some of the useful tools and techniques for developers and designers. This time it’s all about CSS Generators: from CSS shadows to easing gradients to CSS overlays to CSS doodles.

https://smashingmagazine.com/2021/03/css-generators/

We all benefit when we work to increase the overall UX maturity of our organizations. This article explores the concept of UX maturity, and focuses on finding and utilizing UX champions, and demonstrating the return on investment or value of UX.

https://smashingmagazine.com/2021/03/growing-ux-maturity-in-organizations-part-1/

In a new short series of posts, we highlight some of the useful tools and techniques for developers and designers to get their work done better and faster. Starting out with a few tools for getting to the bottom of CSS.

https://smashingmagazine.com/2021/03/css-auditing-tools/

For a lot of web scraping tasks, an HTTP client is enough to extract a page’s data. However, when it comes to dynamic websites, a headless browser sometimes becomes indispensable. In this tutorial, we will build a web scraper that can scrape dynamic websites based on Node.js and Puppeteer.

https://smashingmagazine.com/2021/03/ethical-scraping-dynamic-websites-nodejs-puppeteer/

https://smashingmagazine.com/2021/03/live-online-workshops-front-end-ux/

To inspire mobile designers, let’s look at how some clever design solutions tackle mobile navigation, confirmation dialogs, animations, and gamifying the waiting experience.

https://smashingmagazine.com/2021/03/solutions-mobile-design-boost-user-experience/

Our lives as UI designers have never been easier with a host of amazing tools at our disposal. In this article, Paul Boag explores some of the useful tools that he keeps close at his work.

https://smashingmagazine.com/2021/03/ui-design-testing-tools/

In this article, we’ll look at how to create an outside focus and click handler with React. We will recreate an open source react component react-foco from scratch in doing so.

https://smashingmagazine.com/2021/03/outside-focus-click-handler-react-component/

With mobile traffic accounting for over 50% of web traffic these days, leaving your mobile performance unoptimized isn’t really an option. In this article, we’ll discuss the complexity and challenges of mobile, and how mobile testing tools can help us with just that.

https://smashingmagazine.com/2021/03/mobile-app-web-testing/

As digital practitioners, GDPR has impacted every facet of our professional and personal lives. Whether you’re addicted to Instagram, message your family on WhatsApp, buy products from Etsy or Google information, no one has escaped the rules that were introduced in 2018.

https://smashingmagazine.com/2021/03/state-gdpr-2021-cookie-consent-designers-developers/

Our wallpapers post this month is a special one: There’s not only a new collection of wallpapers created by creative folks from across the globe waiting for you, but we’ll also award a smashing prize to the best design.

https://smashingmagazine.com/2021/02/desktop-wallpaper-calendars-march-2021/

Trust is at the heart of a long-term strategy of any product. There are many ways to earn it, and even more ways to lose it. In this article, we’ll go through how you, as a product designer, can make sure your product nurtures and retains trust throughout every touchpoint. To do that, we’ll be borrowing some of the tricks marketers and product people have up their sleeves.

https://smashingmagazine.com/2021/02/building-user-trust-in-ux-design/