Learn how to take React further by embracing composability. Instead of messing around with the code for several components, modify a single source. This is the idea behind composability, and it’s easy to do with React—in fact, it’s one of the platform’s biggest benefits.

In the final installment of the Eleventy Starter Repo series, learn to round out your project with maintenance and collaboration tools. From building dependency updates and continuous integration checks to including pull request and issue templates, you’ll have a well-supported project after this tutorial.

Learn how to include Progressive Web App (PWA) support in your Eleventy Starter template. By leveraging service workers, web manifests, and other best practices, PWAs are responsive, resilient, and installable.

How do you test and develop your npm packages in your project locally without republishing to npm? With npm link! Learn to test changes in real-time with this guide on how to link and unlink your component library to your projects.

If you want to support both legacy and modern browsers without sacrificing performance you’ve got to get creative. In the latest installment of the Eleventy Starter Repo series, we show you how—with legacy JavaScript builds and TypeScript support.

We’ve evaluated automated accessibility testing tools to help you determine which is best for your project. Learn the strengths and weaknesses of PayPal's Automated Accessibility Testing Tool.

In the last article of our Eleventy Starter Repo series, we taught you how to create flexible CSS support with SCSS. Today, you'll learn how to add support for JavaScript with a modern bundling process, linting, and testing.

In the last article of our Eleventy Starter Repo series, we taught you how to build an HTML page. Today, you'll learn how to create flexible CSS support for your template using SCSS.

Our last article in this series covered how to structure and configure your first Eleventy starter template project and create a basic HTML layout. Today, you will learn how to modify that HTML even further.

Composing solid, flexible React components is like making a smoothie: what you get depends on what you put inside. Learn techniques for composing React components using children, render props, component composition, and more.