Gatsby uses GraphQL to manage data fetching, allowing developers to pull in data from various sources (APIs, markdown files, CMSs) at build time. This results in a static site that loads quickly, as all data is pre-fetched and bundled into the final build.

VuePress allows for data fetching through Vue components and markdown files, making it straightforward to integrate dynamic content. However, it primarily focuses on static content generation, which may limit its capabilities for highly dynamic applications.

Remix emphasizes data fetching on the server side, allowing for dynamic data loading and rendering. It supports nested routes and loaders, enabling developers to fetch data at different levels of the application, which enhances performance and user experience by reducing loading times.

Gatsby provides a file-based routing system where each page corresponds to a file in the 'src/pages' directory. It automatically creates routes based on the file structure, simplifying the routing process for developers and ensuring a straightforward navigation experience.

VuePress uses a simple file-based routing system similar to Gatsby, where each markdown file corresponds to a route. It is ideal for documentation sites, but it may lack the advanced routing features found in Remix.

Remix offers advanced routing capabilities with nested routes and route loaders, allowing for more complex and dynamic applications. This feature enables developers to create rich user experiences with seamless transitions and optimized data loading strategies.

Gatsby is designed for performance, employing techniques like code splitting, image optimization, and prefetching resources. Its static nature means that sites load quickly, and it provides tools to analyze and improve performance further.

VuePress generates static HTML files, ensuring fast load times. It also supports features like lazy loading for images and components, but it may not offer the same level of performance optimization as Gatsby or Remix for dynamic content.

Remix focuses on optimizing performance through server-side rendering and efficient data loading strategies. It minimizes client-side JavaScript and leverages the web platform's capabilities to deliver fast, responsive applications.

Gatsby has a steeper learning curve due to its reliance on GraphQL and a more complex build process. However, once mastered, it provides a powerful toolset for building high-performance sites with extensive customization options.

VuePress is very easy to set up and use, especially for developers familiar with Vue.js. Its markdown-centric approach makes it accessible for content creators, allowing them to focus on writing without deep technical knowledge.

Remix has a moderate learning curve, especially for developers familiar with React. Its focus on server-rendered applications may require a shift in mindset, but it offers a straightforward API for managing routes and data fetching.

Gatsby has a large and active community, with a rich ecosystem of plugins and themes that extend its functionality. This support makes it easier to find solutions and resources for common challenges.

VuePress has a dedicated community, particularly among Vue.js developers. While its ecosystem is not as extensive as Gatsby's, it provides essential plugins and themes tailored for documentation and content-focused sites.

Remix is newer and has a smaller community compared to Gatsby, but it is rapidly growing. Its focus on modern web standards and performance is attracting attention, leading to an expanding ecosystem of tools and resources.