Gatsby

1. Static Site Generation: Generates fast-loading static HTML files for efficient website performance.
2. React-based: Built on React, enabling the use of React components for dynamic user interfaces.
3. GraphQL Data Layer: Uses GraphQL for flexible and efficient data querying from various sources.
4. Performance Optimization: Automatically optimizes websites for speed with techniques like code splitting and image optimization.

Before learning Gatsby, it's beneficial to have these skills:

1. HTML/CSS: Basic understanding of HTML and CSS for structuring and styling web pages.
2. JavaScript: Proficiency in JavaScript, especially ES6 syntax, for building interactive web applications.
3. React: Familiarity with React.js, including components, props, state management, and JSX syntax.
4. Node.js/NPM: Understanding of Node.js and NPM (Node Package Manager) for managing dependencies and running build scripts.

By learning Gatsby, you gain the following skills:

1. Static Site Generation (SSG): Ability to build fast and efficient static websites using Gatsby's SSG capabilities.
2. React Development: Proficiency in building web applications with React.js and leveraging React components in Gatsby projects.
3. GraphQL: Understanding of GraphQL and its usage for querying and manipulating data in Gatsby applications.
4. Performance Optimization: Skill in optimizing website performance through techniques like code splitting, image optimization, and lazy loading.