I suppose you know enough about Gatsby, so I won’t go into detail on how basic things like query/StaticQuey, layout, and pages work. My favorite, and yours probably too, is Gatsby: “a free and open-source framework based on React that helps developers build blazing-fast websites and apps.” □ What will we build? The React community has a couple of tools/frameworks that can generate a static website. That’s why the community started creating different ways to build static site generators You get a complete build done quickly without complications, hosted cheaply or even for free. Today, static site generators are one of the most popular ways to build websites. I’m using Node Version Manager (NVM) and currently Node 15.5.1 is selected.□ Check out the demo and source. I assume that you’ve already installed a (recent) version of Node. Meet gatsby-image PrerequisitesĪll code used in this blog can be found in my GitHub repository. Let’s find out how these image technologies can be implemented in Gatsby by leveraging gatsby-image. ![]() Progressive images are lazy loaded with a low resolution using a blur-up technique or traced placeholder SVG to speed up initial page load and save bandwidth. It uses resolution switching to display identical images with different sizes or resolutions and art direction to display different images to suit different display sizes. Responsive images work well on devices with widely differing screen sizes and resolutions. Gatsby has built-in support for responsive and progressive image technologies. There are several practical case studies mentioned by WPO stats that demonstrate the impact of web performance optimization (WPO) on user experience. Page and image loading times can make or break a website’s user experience. As we’ll see next, GraphQL also plays an important role in image optimization within Gatsby. These websites all leverage the ease of React components and the dynamics of GraphQL to generate highly performant websites. Some example websites built with Gatsby are:, airbnb.io, sign/cereal,, ca./en-ca, and sign. Websites created with Gatsby are super fast, extremely secure and based on a popular technology stack. Blogs, e-commerce, lead generation, portfolio and corporate websites are all suitable use cases for Gatsby. It’s a Static Site Generator (SSG) that can be used as the presentation layer for a headless Content Management System (CMS) or standalone (without a CMS). Gatsby is an open source framework based on React and powered by GraphQL for creating websites and apps. ![]() I was positively surprised by one of the great abstractions available in Gatsby.js, which makes it extremely easy to add responsive and progressive image loading functionality to websites through the gatsby image component. In this blog our ‘task’ is adding responsive and progressive images loading functionality to websites. The trick is to choose the right level of abstraction and thus reduce the complexity of a certain task at hand. We filter details that are not relevant in a particular context and retain the essential information that is relevant in that context. ”.Īs a software developer, we are used to thinking in abstractions. In this blog post I’ll demonstrate how to use responsive and progressive image loading in Gatsby and verify gatsby-image’s slogan: “Speedy, optimized images without the work.
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