What is Gatsby?

Gatsby with AsciiDoc and Tailwind

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This is the most recent version of the documentation.

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The author is Some Fictional Dude and it was revised on 29 October 2023.

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GatsbyJS is a free and open-source framework based on React that helps developers build blazing-fast websites and applications. It’s known for its performance, security, and scalability. Here are some key points about GatsbyJS:

Static Site Generation (SSG): GatsbyJS is often used as a static site generator, creating static HTML files at build time, which can be deployed on any web server. This approach results in faster load times and better performance compared to traditional server-rendered websites.
Performance Optimization: GatsbyJS has built-in performance optimizations such as code splitting, image optimization, and lazy loading. It also prefetches resources for other pages, so clicking around the site feels incredibly fast.
GraphQL Data Layer: Gatsby uses GraphQL as a data layer to pull in data from various sources like CMSs, APIs, databases, and local files. This makes it easy to aggregate data from multiple sources and use it in your site.
Plugin Ecosystem: There’s a rich plugin ecosystem available with Gatsby, allowing developers to extend its functionality easily. Whether you need to integrate analytics, work with various CMSs, or add other features, there’s likely a plugin available to help.
Progressive Web App (PWA) Features: GatsbyJS can be used to build Progressive Web Apps out of the box. This means your Gatsby site can work offline, be installed on the home screen of a device, and more.
SEO-Friendly: With server-rendered pages and built-in schema generators, Gatsby makes it easy to create SEO-friendly websites. It also adheres to best practices regarding HTML markup and URL structure, aiding in higher search engine rankings.
Community and Documentation: Gatsby has a strong community and a wealth of documentation available. There are tutorials, starter templates, and community plugins which can help developers get started and find solutions to common problems.

GatsbyJS is a powerful choice for developers looking to build modern, performant web applications with a focus on a great developer experience and an optimized final product for end-users.